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Related Questions
RNA helps turn DNA into proteins by: (select all that apply) Group of answer choices Moving genetic code from the nucleus to a ribosome forming part of the ribosome Carrying amino acids to a ribosome controlling splicing by marking intron and exon sequences g
Answers
Answer:
Moving genetic code from the nucleus to a ribosome
forming part of the ribosome
Carrying amino acids to a ribosome
controlling splicing by marking intron and exon sequences
Explanation:
Ribonucleic acid (RNA) is a key molecule that has diverse biological functions. In the first place, the messenger RNA (mRNA) is an RNA version whose function is to transmit the code from the DNA within the nucleus to the cytoplasm during protein synthesis. Second, the ribosomal ribonucleic acid (rRNA) represents a structural component of ribosomes where proteins are synthesized. Third, the transfer ribonucleic acids (tRNAs) represent another important class of RNA version that attach amino acids to transport them to the ribosomes in order to decode an mRNA into a protein. Finally, RNA splicing is the processing of RNA to eliminate non-coding introns from the precursor mRNA (pre-mRNA) molecule to form the final mature mRNA transcript.
Summarize the findings of other scientists in Germany and Boston that support the work of Calderon-Garciduenas
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Calderón-Garcidueñas has conducted research on the impact of air pollution on the brain and cognitive function. Other scientists in Germany and Boston have also conducted studies that support her work and findings.
In Germany, a group of researchers conducted a study to investigate the effects of air pollution on brain structure and cognitive function in a large population of older adults. The study utilized neuroimaging techniques to assess brain volumes and cognitive tests to evaluate cognitive performance. The findings revealed a significant association between long-term exposure to air pollution and reduced brain volume in regions related to memory and learning. The study also found that higher levels of air pollution were associated with poorer cognitive performance in various domains.
In Boston, researchers focused on the impact of air pollution on children's brain development. They conducted a study involving a cohort of children and assessed their cognitive abilities using standardized tests. The study found that children exposed to higher levels of air pollution exhibited lower cognitive scores, particularly in areas related to attention, memory, and language skills. The researchers also observed structural changes in the brain, specifically in regions involved in cognitive control, in relation to air pollution exposure.
These studies from Germany and Boston provide additional evidence supporting Calderón-Garcidueñas' findings regarding the detrimental effects of air pollution on the brain and cognitive function. They reinforce the notion that long-term exposure to air pollution can lead to structural changes in the brain and have a negative impact on cognitive abilities. The collective findings highlight the importance of addressing air pollution as a public health concern and implementing measures to reduce pollution levels to safeguard brain health and cognitive development, particularly in vulnerable populations such as children and older adults.
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Which are the two types of Location?
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There are two types of location-
Relative locationabsolute locationDefine relative location.A person or place's placement in respect to another object or location is referred to as their relative location. Cost, wait time, or distance all affect relative location. Map the distance between Salt Lake City, Utah, and the Computer History Museum, for instance, in California. The distance from the relevant position would be 767.7 miles, which would require a journey duration of 11 hours and 40 minutes.
Define absolute location.An accurate and precise point that pinpoints the precise location of a given object or area is known as an absolute location. Geographic coordinates, such as longitude and latitude, are frequently used to describe absolute positions. A specific object's precise location in reference to the prime meridian and the equator can be determined using geographic coordinates.
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What two species are most closely related from the evolutionary tree
provided below? Explain how you know.*
Common ancestor
Species A
Species C
Species B
Answers
Answer:
Species a and c
Explanation:
The species c, was more closely related to species a than species b was. This is because species a and c just recently evolved into different species in evolutionary history.
The two species i.e., A and C are most closely related from the evolutionary tree provided below. The correct options are A and B.
What is evolutionary tree?A phylogenetic tree is a branching diagram or tree that depicts the relationships that have developed over time between different biological species or other entities based on the similarities and variances in their genetic or physical traits.
One evolutionary tree represents all life on Earth and shows their shared ancestry.
The evolutionary relationships between a collection of creatures or groups of organisms, known as taxa, are represented by an evolutionary tree, or phylogeny.
Evolutionary trees represent the hypothesis and the story of life's development in many people's minds. From the supplied evolutionary tree, the two species, A and C, are the most closely related.
Thus, options A and B are correct.
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Ideally, an observatory is located where nothing is present to interfere with incoming starlight. Which of these sites would be best for fulfilling this condition? F a desert far from any large cities G a small island far out in the ocean J H a platform on the surface of planet Venus a space platform orbiting above Earth's atmosphere
Answers
Answer:
I believe it would be the one orbiting above the atmosphere or on Venus
Explanation:
There are no artificial/man-made interferences and being outside of the Earth's atmosphere more starlight can reach the observatory.
What comes first in chronological order?
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Chronological order is the listing, description, or discussion of when events occurred in relation to time. It's similar to looking at a timeline to see what happened initially and what happened after that. So it simply implies that the past comes first, followed by the present and the future.
Chronology Definition
Chronology is an arrangement of events in chronological order. It is also a system that determines the time of the occurrence of certain events. In other words, chronology is an arrangement of events based on the time they occurred.
Chronology can be used to convey two different meanings:
CalendarTimelineExample: Since the time of the Persian Empire, Iranians have been using a Persian chronology with the names of the months in Persian; the first day of the year is called Nowruz and falls on the 21st of March.
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i need help doing this lab im confused. please help.
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The percentage of monocytes is increased from the normal range. The normal range for monocytes is 2-8%, but Alexi's count is 21%. This suggests that his body is fighting an infection.
How to explain the informationMonocytes are a type of white blood cell that helps to fight infections. They do this by engulfing and destroying bacteria and other foreign invaders.
In Alexi's case, the percentage of monocytes is still elevated, suggesting that the infection is still ongoing. The type of microorganism causing Alexi's infection is not known for sure, but it is likely to be a bacteria. Bacteria are the most common cause of infections, and they are typically more difficult to fight off than viruses.
Paolo would report that his throat is sore. This is a common symptom of a viral infection. The pain is caused by inflammation of the tissues in the throat. Two signs of inflammation that would be observed in Paolo's throat are redness and swelling.
In conclusion, Alexi's increased percentage of monocytes suggests that he has a bacterial infection that has been going on for some time. Paolo's sore throat, redness, swelling, and increased body temperature are all signs of a viral infection.
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I Review According to the biogeochemical cycle shown below, which of the following processos can move carbon from the abiotic reservoir to the biotic reservoir? Geological processes contribute to the abicceservous. For example, erosion may transfermiers from rock to sol Abiotic reservers are non living components of an ecosystem where chemicals accumulate. For example, carbon cumulates in the atmosphere as Col while wygen accumulates when it is dissolved in seawater Preducers incorporate inorganic chemicals from an abiotic reservoir Into organic compounds For example, a plant uses Co, from the air to make glucose via photosynthesis When consumers feed, they incorporate the chemicals of food into their own bodies. For example, a deer munching on grass incorporates some of the nutrients from that grass into sing tissue. BIOTIC COMPONENTS Decomposers break down the organic molecules in wastes and dead organism. The sample compounds they release become part of the abiotic reservoir.
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The abiotic elements of the ecosystem are the lithosphere, hydrosphere, and atmosphere.
Biogeochemical Cycle Types. Essentially, there are two categories of biogeochemical cycles: Carbon, oxygen, nitrogen, and the water cycle are among the gaseous cycles. Cycles of sedimentation: Sulfur, phosphorus, rock cycle, etc. A biogeochemical cycle is a slow-moving pool of nutrients that includes both biotic and abiotic elements. It takes the constituents of the ecosystem's abiotic component that are naturally occurring and infuses them into live cells. It is a constant, quick interchange that could involve both gaseous particles and silt.
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Both vegetable oil and butter are made up of fats.
Why is butter a solid at room temperature, while vegetable oil is a liquid?
A)Butter is a saturated fat and vegetable oil is an unsaturated fat.
В)
Butter is a polar molecule and vegetable oil is a nonpolar molecule.
C) Butter is an unsaturated fat and vegetable oil is a saturated fat.
D) Butter is a nonpolar molecule and vegetable oil is a polar molecule.
Answers
Answer:
A
Explanation:
Butter, as good as it is, is not exactly good for us. Butter is an animal fat, or a saturated fat. This means that at room temperature these fats will remain solid. There is some science behind it and ill say this quickly, it has to do with the carbon atoms being packed with hydrogen atoms. This allows them to intertwine and be solid. The Vegetable Oil being unsaturated, a plant fat, is good for us! These are missing some of the atoms needed to make them stand up straight and be solid. So these are always liquid at room temperature! :)
We have that for the Question "Both vegetable oil and butter are made up of fats. Why is butter a solid at room temperature, while vegetable oil is a liquid?"
Answer:
Option A is the correct answer(Butter is a saturated fat and vegetable oil is an unsaturated fat)
Explanation:
Butter contains more saturated fat., vegetable oil contains more unsaturated fat.
Melting point of Saturated fat less than melting point of Unsaturated fat
Intermolecular interactions in saturated fats greater than Intermolecular interactions in Unsaturated fats
Saturated molecules are so close and forms a solid. UnSaturated molecules are not so close and forms a liquid at room temperature
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What area of the body does Neutrophils make its way through to get to a site of inflammation?
Answers
The body produces neutrophils in the bone marrow, and they account for 55–70 percent of all white blood cells in the bloodstream. A normal overall white blood cell level in the bloodstream for an adult is somewhere between 4,500 and 11,000 per millimeters cubed (mm3)
Match each of the following items that may influence the selection of an antimicrobial procedure with its correct description/rationale.
1. Composition of the item
2. Risk for infection
3. Type of microbe
4. Environmental conditions
5. Number of microorganisms
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Environmental conditions, such as temperature and humidity, can impact the efficacy of certain procedures and need to be considered as high antimicrobial loads may require stronger treatments.
The selection of an antimicrobial procedure involves considering various factors to ensure its effectiveness and safety. The composition of the item to be treated is important as Environmental conditions , such as food or medical devices, may be more susceptible to contamination and require specific treatments to prevent the growth of microbes. The type of microbe present on the item is also important, as different microbes have varying sensitivities to antimicrobial agents. Environmental conditions, such as temperature and humidity, can also impact the efficacy of certain procedures and must be considered in the selection process. Finally, the number of microorganisms on the item is significant as high antimicrobial loads may require stronger treatments.
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2. For or against? And why or why not?
Document 3: John Calhoun - Letter to W.R. King August 12th, 1844 (Printed publically)
and then take into consideration the extraordinary increase of
"It is impossible to cast a look at the map of the United States and Texas
population and growth of the fonner, end the source from which the leter must derive its intabilarits, institutions and laws, without coming
to the conclusion that it is their dostiny to be united, and of course, that annoxation is moroly a question of time and mode. It is our
destiny to occupy that vast region; to intersect it with roads and canals; to fill it with cities, towns, villages, and farms; to extend over it our
religion, customs, constitution and laws; and to present it as a peaceful and splandid addition to the domains of commerce and
civilization. It is our policy to increase, by rowing and spreading out into unoccupied regiores, assimilating all we incorporate, in a word, to
increase by accretion, and not through conquest...
3. For or against?
Document 4: Stephen A. Douglass-Speech of Stephen A. Douglass in the House of Representatives, January 6th, 1845
"Without dwelling upon the numerous advantages that would attend the annoxation of Texas timulating the industry of the whole
country; in opening new markets for the manufacturers of the North and East; in bringing in the waters of the Red River, the Arkansas
River, and other streams flowing into the Mississippi... in growing the political power of the United Statee; in securing saler and more
natural boundaries, and avoiding the danger of collisions with foreign power-without dweling upon these and other considerations,
appealing to our intorost and pride eo e people and a nation it is sufficient argument to me that our honor and faith require the immediate
annexation of Texas to the Union."
Answers
John Calhoun's Letter (1844):
Calhoun emphasizes the inevitable union of the United States and Texas due to the extraordinary increase in population, growth, and destiny of the former. He suggests that annexation is merely a matter of time and mode.
Calhoun envisions the occupation of Texas, the development of infrastructure, the spread of American customs and institutions, and the integration of Texas as a peaceful and prosperous addition to the nation. He supports the policy of expansion through peaceful accretion rather than conquest.
Stephen A. Douglass' Speech (1845):
Douglass argues in favor of annexing Texas, highlighting the numerous advantages it would bring.
He mentions stimulating the industry of the entire country, opening new markets for manufacturers in the North and East, accessing the waters of rivers like the Red River and Arkansas River, enhancing political power, establishing secure boundaries, and avoiding conflicts with foreign powers.
Douglass believes that the immediate annexation of Texas is necessary for the honor and faith of the United States.
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9. What is the function of nucleic acids? *
a) store genetic information
b)store energy (long-term)
Oc)store energy (short-term)
O d)build skin, hair, nails, muscles
Answers
Answer:
a option
Explanation:
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When the head is tilted, what are the structures the signal passes through on its way to becoming a fully processed neural signal within the brain?
When the head is tilted, the fluid within the_____of the inner ear moves. The exact location of stimulated cells depends on the plane of movement-with each plane being represented by a different part of that structure. The movement of fluid stimulates______which transduce the signal into an electrical signal. This signal travels through the_____nerve to the____nucleus of the_____.
Answers
Answer:
The fluid within the semicircular ducts of the inner ear, that is, endolymph moves when the head is tilted. The precise position of the stimulated cells relies upon the plane of movement with each vertical or horizontal plane being signified by distinct parts of its composition. The hair cells that transduce the signal into an electrical signal get stimulated due to the movement of fluid. The conduction of this signal takes place via the auditory nerve to the cochlear nucleus of the brainstem.
Within the inner ear cochlea, the stimulation of the hair cells or stereocilia takes place by endolymph, it is a fluid present in semicircular ducts. After stimulation, the hair cells mediate electric signals to the brain via the auditory nerve, these are the nerve bundles that carry signals of sound. The initial central auditory composition found in the brainstem is the Cochlea nucleus.
Answer:
the fluid within the -semicircular canals- of the inner ear moves. the movement of the fluid stimulates the -hair cells- which transduce the signal into an electric signal. This signal travels through the -vestibulocochlear nerve- to the vestibular nucleus of the -medulla oblongata-.
Explanation:
inquiry based pedagogy is being embraced in principle across the globe. in the last decade , it has been supported by an increasing body of research on its effectiveness. illustrate your understanding of the concept of inquiry based pedagogy with a relevant example
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Inquiry-based pedagogy involves fostering curiosity and active learning. For example, students investigating real-world environmental issues and proposing solutions.
Inquiry-based pedagogy is a teaching approach that promotes active learning and critical thinking through inquiry and exploration. One relevant example of inquiry-based pedagogy is a science classroom where students are encouraged to design and conduct their own experiments. Instead of simply following instructions, students formulate research questions, develop hypotheses, plan and execute experiments, collect and analyze data, and draw conclusions. For instance, students may investigate the effect of different variables on plant growth by manipulating factors like light, water, or soil composition. This approach allows students to engage in authentic scientific practices, develop problem-solving skills, and gain a deeper understanding of the scientific method. By actively participating in their learning process, students develop a sense of ownership and become more engaged, fostering a love for learning and nurturing their ability to explore and discover knowledge independently.For more such questions on Pedagogy:
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how many moles of hydrogen are in 1 litr of water
Answers
Answer:
55.55556mols
Explanation:
What is an office what is an office
Answers
Answer:
Explanation:
An office can be referred to a building or rooms or a room which is arranged and set up with furnitures and things needed for commercial use or professional work to achieve a goal.
An office is also refered to position of authority occupied by someone to perform some tasks.
Answer:
here's your answer
Explanation:
The office helps in controlling the activities of different people and department of an organisation. Through controlling it ensures that the various activities of business are performed with much accuracy. Memory Center: Office protects important information of past in a safe manner.
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Which of the following most accurately describes the function of a vaccine?
A
A vaccine benefits a person who has just begun to show signs of an infection by providing them with antibodies from someone who has already had the illness.
B
A vaccine exposes a person to the subpart, or antigen, of a pathogen, resulting in the production of the appropriate antibody that protects against future infection.
C
A vaccine helps control the symptoms of a particular infection, while the body’s natural immune response fights to neutralize the pathogens causing the infection.
D
A vaccine is used to disinfect an area where a patient with an infectious illness was treated or recovering to prevent the spread of that illness to other people.
Answers
Answer:
B
Explanation:
A vaccine exposes a person to a dead or weakened version of a pathogen which results in the production of the appropriate antibody that protects against future infection.
A vaccine exposes a person to the inactivated form of a pathogen, resulting in the production of the appropriate antibody that protects against future infection, hence option B is correct.
What is the vaccine?A vaccine is a formulation that is used to excite the body's immune response against diseases. Vaccines are generally administered through needle injections, but some can be given by spraying into the nose and mouth.
It is an inactivated form of the pathogen, which is developed against that pathogen. It may be a subpart or antigen, responsible for the development of immune response.
Vaccines can not directly transfer antibodies inside the body, they can stimulate the expression of antibodies.
Therefore, the vaccine is responsible for the production of the appropriate antibody.
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Which means of particle transport is shown in the figure below?
Answer
A diffusion
B) osmosis
C) active transport
D facilitated diffusion
Answers
Therefore, D, which stands for facilitated diffusion, will be the answer to this issue. Thus, one transport protein carries the molecules from across the membrane during assisted diffusion.
Active transport is affected by what particles?The process that includes the of pumping molecules and ions across membranes in “uphill” direction – against a concentration gradient – is known as active transport.
Transport proteins that are present in the membrane are typically responsible for the active transport of small molecules or ions across a cell membrane.
Do you mean active or passive aided diffusion?Passive transport can be said as a subset of facilitated diffusion.
Because the solution is going down the concentration gradient, assisted diffusion is still passive transport and when it incorporates transport proteins. The cell can easily disperse small nonpolar compounds.
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Which organism is likely to carry out the process shown in the diagram?
CO, + H,O
Heat
www
Chloroplast
Mitochondrion
MASS
Respiration
OA. Barn owl
OB. Mushroom
C. Alligator
-0₂
Sugar
ATP
Answers
Answer:
C
Explanation:
took the test
Which statement bestexplains the effect an adaptation has on an organism?
It increases an organism's chance to survive.
It increases an organism's size and weight.
It decreases an organism's chance to reproduce.
It decreases an organism's ability to find food.
Answers
A trait that evolved and was selected by natural selection for its current function is known as an adaptation. Any hereditary traits that improve an organism's likelihood of survival benefit from adaptations. Option C is the appropriate response in this case.
In order to survive in their environment and function better under the conditions there, plants and animals have modified their physical characteristics or behaviours. The strongest and most advantageous traits or adaptations are handed on to the following generation, ensuring the survival of the plants or animals. Examples of adaptations include a camel's capacity for water storage, polar bears' use of their white fur to blend into the ice, and chameleons' capacity to change colour to evade predators. The process of change that occurs to animal and plant species over a long period of time, or how plant and animal species have evolved from one another, is known as evolution.
Therefore, we can conclude that adaptations aid any hereditary traits that improve an organism's chances of survival.
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A population of raccoons is thought to be in Hardy-Weinberg equilibrium for a tail-length gene. The frequency of the dominant allele (long tails) is 0.8. When a certain forest was surveyed, the scientist was able to tag 25 animals, which were all long-tailed. Does the lack of short-tailed animals suggest that the population is out of Hardy-Weinberg equilibrium in this forest? (Use the Population tab to consider this question.)
Answers
Answer:
No, the lack of short-tailed animals in the sample does not suggest that the population is out of Hardy-Weinberg equilibrium in this forest. It probably means that individuals with short tails were not included in the sample by chance, as their expected frequency in the population is considerably low.
Explanation:
You will find the correct and complete explanation in the attached file due to technical problems
Which of the following is the movement of molecules along a concentration gradient by spontaneous random motion to achieve a uniform distribution?
Answers
Diffusion is the movement of molecules along a concentration gradient by spontaneous random motion to achieve a uniform distribution.
What is diffusion?Diffusion is the movement of water vapor from regions of high concentration (high water vapor pressure) toward regions of lower concentration.
Diffusion can also be defined as the random movement of molecules (fluids) along a concentration gradient until even distribution is achieved.
Therefore, diffusion is the movement of molecules along a concentration gradient by spontaneous random motion to achieve a uniform distribution.
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Where are the A, B and RH antigens located
Answers
Answer: The A, B, and Rh antigens are located on the surface of red blood cells.
Explanation:
How was unemployment affected during the war?
A. It was unaffected by the war
B. It had risen quickly
C. It had fallen to very low levels
D. It had lowered slightly
Answers
What are three tasks that DNA must be able to perform in all organisms? Select three answer choices.
Answers
Answer:
copying information, carrying information from one generation to the next, and determining the heritable characteristics of organisms
Explanation:
Answer: a. It must store genetic information.
c. It must instruct cells to produce needed molecules.
D. It must copy itself.
Explanation: I know i am right
give two lysosome function
Answers
Answer:
They break down excess or worn-out cell parts. They may be used to destroy invading viruses and bacteria.
Explanation:
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Which of these is dictated by the law of supply and demand?
1) oil
2) renewable resources
3) biodegradable resources
4) air pollution
Answers
renewable resources have a infinite supply
air pollution has no demand
The law of the supply depends on the demand and need of the resource in the market for various uses. Oil (non-renewable) is dictated by the law of supply and demand. Thus, option 1 is correct.
What are non-renewable resources?Non-renewable resources are limited resources that are not easily replenishable as it takes a very long time for them to be produced. Oil is a fossil fuel and a non-renewable resource that has limited supply and follows the demand.
Renewable resources like wind, water, soil, etc., are infinite in number and hence they are not balanced by demand and supply. On the other hand, air pollution has no demand and biodegradable resources do not dictate the demand-supply law.
Therefore, option 1. oil being a non-renewable resource is dictated by the law of supply and demand.
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How are mates limiting factor? Isn’t having mates in fact going to increase population
Answers
Answer: How can limiting factor affect population growth?
Limiting factors are resources or other factors in the environment that can lower the population growth rate. Limiting factors include a low food supply and lack of space. Competition for resources like food and space cause the growth rate to stop increasing, so the population levels off
Explanation:
The photo shows a cross between a plant with white flowers and a plant with red flowers. The offspring is a plant with flowers that have both colors. X / Which pattern of inheritance is shown? 1/4 O A. Codominance B. Incomplete dominance O C. Recessiveness D. Multiple gene
Answers
Answer:
The correct answer is - A. codominance.
Explanation:
Codominance is an inheritance pattern that develops if there are two alleles of a particular gene in an organism and both are expressed together. It is not common as normally dominant allele masks the effect of recessive allele but here both traits occur.
Codominance is different from incomplete dominance as incomplete dominance expresses the dominant allele more than the recessive allele and expresses a mix of both.