1.imagine the white flowers (a) are recessive to purple flowers (a), and yellow seeds (b) are recessive to green seeds (b). if a green-seeded, purple-flowered dihybrid is testcrossed, and half of the progeny have yellow seeds, what can you conclude about linkage between these loci? what do you need to know about the parents of the dihybrid in this case?
Answers
The parents of the dihybrid in this case is The white flowers (a) are recessive to purple flowers (A), and the yellow seeds (b) are recessive to green seeds (B).
A dihybrid cross is a cross between two organisms that are identical hybrids for two characteristics in a breeding experiment. A dihybrid cross, then, is a union of two organisms that are heterozygous for two separate features. The people that exhibit this sort of characteristic are homozygous for that trait. Genes, which are pieces of DNA, control these qualities.
The two loci governing seed colour (b and B) and flower colour (a and A) are not linked, which means they are on separate chromosomes or are distant from one another on the same chromosome, if half of the progeny resulting from a testcross between a dihybrid (green-seeded, purple-flowered) and a tester (yellow-seeded, white-flowered) have yellow seeds.
The yellow seeds (b) are recessive to green seeds (B), whereas the white blossoms (a) are recessive to purple blooms (A).
Learn more about Dihybrid cross:
https://brainly.com/question/9125231
#SPJ4
Related Questions
Which is abiotic ? ????
Answers
Answer:
Abiotic is something that is not alive
Explanation:
Abiotic is non-living
Biotic is a living organism
A group of researchers is using satellites to locate and monitor marine plants and algae and estimate how much photosynthesis is occurring in oceans. What do they MOST likely hope to learn from this research?
A.
how much oxygen these organisms need from the water
B.
how much oxygen these organisms add to the water
C.
how much oxygen these organisms filter and recycle
D.
how move oxygen these organisms bring up from the ocean floor
Answers
If a group of researchers is using satellites to locate and monitor marine plants and algae and estimate how much photosynthesis is occurring in oceans, then the MOST likely they hope to learn from this research is B. how much oxygen these organisms add to the water.
What is the relative importance of marine plants and algae in marine ecosystems?Marine plants and algae in marine ecosystems are fundamental players in the aquatic ecosystems since they are producers that release oxygen by photosynthesis.
Therefore, with this data, we can see that marine plants and algae release oxygen to marine ecosystems.
Learn more about marine plants and algae here:
https://brainly.com/question/23186267
#SPJ1
why is the cell membrane called a semi-permeable membrane
Answers
Answer:
The plasma membrane is called a selectively permeable membrane as it permits the movement of only certain molecules in and out of the cells. ... It allows hydrophobic molecules and small polar molecules diffuse through the lipid layer, but does not allow ions and large polar molecules cannot diffuse through the membrane.
Explanation:
This is all I know.Hope it helps~Good luck with your work!!~When does DNA replication occur within the cell cycle?
Answers
Answer:
Interphase
Explanation:
The S phase of a cell cycle occurs during interphase, before mitosis or meiosis, and is responsible for the synthesis or replication of DNA. In this way, the genetic material of a cell is doubled before it enters mitosis or meiosis, allowing there to be enough DNA to be split into daughter cells.
I'm struggling to understand how to fill out this table could somebody explain how to do it in this example so I can do it In the future
Answers
The table indicates the sequential order of codons in an mRNA sequence, which will be used to add the corresponding amino acids during protein translation.
What is a messenger RNA?A messenger RNA (mRNA) is a single strand sequence of RNA derived from the transcription of a DNA gene sequence.
The linear order of triplets of nucleotides or codons in the mRNA molecules will be used during translation to encode a polypeptide.
For example, the codon AUG (Adenine-Uracil-Guanine) is a start codon of the protein and it is used to add methionine.
In conclusion, the table indicates codons in mRNA used during protein translation.
Learn more about mRNA codons here:
https://brainly.com/question/24055894
#SPJ1
The asteroid belt is found between which two planets?
O A. Mars and Jupiter
B.
Earth and Mars
O C.
Jupiter and Saturn
OD. Venus and Earth
OE.
Saturn and Neptune
Answers
Answer:
I'm pretty confident it's Mars and Jupiter
Explanation:
I think it's 4 plants before and after the belt, and using the phrase "My Very Educated Mother Just Served Us Nachos", Mother and Just are Mars and Jupiter, so I think it's right
Answer: Your answer is A. Mars and Jupiter
Explanation: The order of the planets are Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune and in between Mars and jupiter is the asteroid belt. Also I really like outer space and I want to be an astronaut when I grow up so I'm learning a lot about space. :P
Hope it helped :D
When a person drinks, the body absorbs alcohol, circulates it, and eventually eliminates it. Which of the following options lists the organ or system in the body where each of these steps takes place?
Answers
Organ in which alcohol absorption occurs: Stomach and small intestine walls Blood stream Elimination of alcohol from the body: Liver
When a person drinks, the body absorbs alcohol, circulates it, and eventually eliminates it. Below are the organs or systems in the body where each of these steps takes place:
The organ in which alcohol absorption occurs: Alcohol is absorbed by the stomach and small intestine walls.
The bloodstream is where alcohol absorption occurs. The blood circulates throughout the body and transports alcohol from the stomach and small intestines to other parts of the body.
When alcohol enters the bloodstream, it is diluted, making it easier for the liver to break it down and eliminate it.
In addition, when alcohol enters the bloodstream, it may be found in all tissues of the body, including the brain, kidneys, lungs, and heart. The elimination of alcohol from the body: The liver is the primary organ responsible for metabolizing, or breaking down, alcohol.
Alcohol is eliminated from the body by the liver. The liver breaks down alcohol using enzymes that convert it to acetaldehyde, which is a toxic substance. The liver then converts acetaldehyde into acetic acid, which is a less toxic substance. Finally, acetic acid is broken down into carbon dioxide and water, which are eliminated from the body through urine and exhalation.
Organ in which alcohol absorption occurs: Stomach and small intestine walls Blood stream Elimination of alcohol from the body: Liver
To know more about alcohol visit;
brainly.com/question/29268872
#SPJ11
in one paragraph explain the respiratory system
Answers
Hope this help
i) predict which of the liquids would cause the largest decrease in mass of potato stick
PLEASE PLEASE HELP ME I HAVE 10 MINUTES ONLY, I WILL GIVE YOU THE BRAINLIEST!!
Answers
Answer:
1.0 mol per dm^3 sodium chloride solution
Explanation:
The idea behind this question is that the water inside the potato stick would move into the surrounding liquid naturally if the density outside the stick is greater than it is inside. Therefore, the liquid that would most encourage the flow of water from the potato stick would be the moet dense liquid- which in this case, is 1.0 mol per dm^3 sodium chloride solution.
please answer asap !!!! and yeah please hehe
Answers
Answer:
looks like a nucleotide
Explanation:
going with nucleotide!
Lab Questions 1. Using the above "rule of thumb", indicate the percentage of the atmospheric mass above each height in the following table. The answer for sea level height is provided. Height (km) % Above 22.4 16.8 11.2 5.6 Sea Level 100 2. Use the data from question 1 to contruct a line graph in Figure 2 4). Lal the vertical axis (Y) "Height Above Sea Level (km)" and label the intervals. Also, label the horizontal axis (X) "Percentage of Atmosphere Above (%)" and label the intervals. Figure 1: Illustration of density decreasing with height 3. Use the relationship between pressure and the percentage of atmosphere (e.g. at sea level, 100% of the atmospheric mass exerts a pressure of about 1000 mb) to add a pressure scale on the top edge of the graph in Figure 2 (pg. 4), label it "Pressure (mb)" and label the intervals. 4. Using equation 1 (pg. 2) or your graph below, estimate the pressure and the percentage of the atmosphere above the two heights listed below. The height of a cruising jet (11.2 km) (This explains why plane cabins are pressurized.): % above mb The top of Pike's Peak (4.34 km): % above mb 5. The percentage concentration of oxygen in our atmosphere is 21% (at any height). What is the partial pressure that oxygen exerts at sea level (assume total pressure is equal to 1000 mb)? mb Figure 2: Line graph of the % of atmosphere above and pressure (to be completed)
Answers
Using the graph, we can estimate the pressure and the percentage of the atmosphere above the two heights listed below.
How to explain the informationThe height of a cruising jet (11.2 km):
The percentage of the atmosphere above 11.2 km is 50%. The pressure at this height is about 500 mb.
The top of Pike's Peak (4.34 km):
The percentage of the atmosphere above 4.34 km is 75%. The pressure at this height is about 750 mb.
The percentage concentration of oxygen in our atmosphere is 21%. The partial pressure of oxygen at sea level is therefore 21% of the total pressure, which is 210 mb.
Learn more about pressure on
https://brainly.com/question/28012687
#SPJ1
Analicen el cariotipo humano y den dos ejemplos de pares de cromosomas metacéntricos, dos ejemplos de pares telocéntricos y dos ejemplos de pares acrocéntricos.
Answers
Analyze the human karyotype and give two examples of pairs of metacentric chromosomes, two examples of telocentric pairs, and two examples of acrocentric pairs.
Answer: The test that is conducted to evaluate and identity the shape,size and number of chromosomes in cells of organism is called the Karyotype.
Metacentic chromosomes are X - shaped chromosomes. They have centromere at the middle, which makes the arms of the chromosomes equal in length. Therefore any type of chromosomes with equal length of arms is said to be Metacentic. Thus chromosomes on position 1,13, 16 , 19 and 20 are examples.
When a pair of chromosomes showed a regular segregation at anaphase of meiosis, they are said to be telocentric. They are type of chromosomes in which the centromere are located at the terminal ends of the chromosomes, with the telemeres extending from theses ends.Hence during segregation, the ends of telocentric chromosomes are orientated towards the poles of the cells. example is the alphabets ''i'' shaped chromosomes in mice and 29 pairs autosomes in Angora goats.
When the centromere is located in such a way that one arm lenght of a chromosomes is longer than the other, then this is called acrocentric. Example is chromosome 21 of down syndrome.others are 13, 14, 15, 22, and Y-chromosomes.
Explanation:
When does a population experience logistic growth? options:A) When natural predators are introduced to the populationB) When it reaches the carrying capacityC) When there's primary successionD) When it has access to unlimited resources
Answers
The correct option is D) When it has access to unlimited resources. Logistic growth requires infinite resources to be sustained, it is common in primary succession, and microbes lab cultures.
Aerobic exercises force the body to use a large amount of oxygen. aerobic exercises force the body to use a large amount of oxygen. true false
Answers
Aerobic exercises do indeed force the body to use a large amount of oxygen. This statement is true.
Aerobic exercise refers to physical activities that increase the heart rate and breathing rate for a sustained period of time. During aerobic exercise, the muscles need a constant supply of oxygen in order to produce the energy required for the activity. This is in contrast to anaerobic exercises, which rely on stored energy in the muscles and do not require as much oxygen.
When we engage in aerobic exercise, such as jogging, swimming, or cycling, our breathing rate and depth increase to accommodate the higher oxygen demand. This increased oxygen intake allows our body to produce energy efficiently and sustain the exercise for a longer duration. The cardiovascular system also plays a crucial role in delivering oxygen-rich blood to the muscles.
Furthermore, aerobic exercise has numerous health benefits. It helps improve cardiovascular fitness, strengthens the heart and lungs, increases stamina, and aids in weight loss. It can also help reduce the risk of chronic diseases, such as heart disease, diabetes, and certain types of cancer.
In conclusion, aerobic exercises indeed force the body to use a large amount of oxygen. They are essential for improving overall fitness, promoting a healthy cardiovascular system, and providing numerous health benefits.
know more about Aerobic exercises click here:
https://brainly.com/question/29796085
#SPJ11
Complete question:
Aerobic exercises force the body to use a large amount of oxygen. aerobic exercises force the body to use a large amount of oxygen is true/ false.
pls help, 12 pts and brainliest
Recently, state forests and parks like Yellowstone National Park which contain varieties of flowering trees and shrubs, have started to erect signs that state, Take nothing but pictures, leave nothing but footprints.
Which argument BEST supports why these signs are being placed in state forests and parks?
A
Flowering tree and shrub ecosystems can never fully recover once humans have adversely affected them because organisms in these ecosystems are nonrenewable.
B
Removal of the flowering trees and shrubs will have a direct impact on the ecosystem by increasing the stability.
C
Humans can cause damage to the stability of ecosystems by removing the flowering trees and shrubs.
D
Flowering trees and shrubs make the state forest and parks more attractive and increase the revenue for the parks.
Answers
Answer: C.
Explanation:
The signs are placed because humans can cause damage to the stability of ecosystems by removing the flowering trees and shrubs.
Ecosystems are self sustaining units in which there is an exchange of materials and energy within itself. There is need for sustainability in ecosystems to ensure that they continue to survive and ultimately to preserve biodiversity.
The sign; "take nothing but pictures, leave nothing but footprints" placed on state forests and parks like Yellowstone National Park which contain varieties of flowering trees and shrubs are there because humans can cause damage to the stability of ecosystems by removing the flowering trees and shrubs.
Learn more: https://brainly.com/question/24381583
After food enters the small intestine, lipases, proteases, & amylases are
secreted into the small intestine by the pancreas. Lipase, protease, and amylase are
members of a group of catalysts known as ---
a. Enzymes
b. Nucleic Acids
CU Fats
d. Carbohydrates
Answers
Answer:
Enzymes.
Explanation:
Lipase proteases and amylase all are enzyne that helps in digestion of food.
herbivores are able to assimilate (use) less of the energy they consume than carnivores because a. animals (without symbionts) aren't able to digest cellulose (fiber) on their own, so much of the energy consumed is egested rather than assimilated. b. herbivores eat more continuously than carnivores, which causes them to egest more material. c. this is not correct. herbivores are more efficient at assimilation than carnivores because carnivores expend more energy capturing their prey.
Answers
The answer to your question is a. Herbivores are able to assimilate less of the energy they consume than carnivores because animals (without symbionts) aren't able to digest cellulose (fiber) on their own, so much of the energy consumed is egested rather than assimilated.
This is why herbivores have to eat more food to obtain the same amount of energy as carnivores. In contrast, carnivores are more efficient at assimilating energy because they consume food that is easier to digest, and they expend more energy capturing their prey.
Therefore, herbivores have to eat more continuously and egest more material, which further reduces their energy assimilation efficiency.
To know more about Herbivores, refer here:
https://brainly.com/question/1214500#
#SPJ11
True or False: fossil fuels are quickly restored and take less than 100 years to form again.
Answers
the collection of alpha motor neurons that innervates a single muscle is called a
Answers
The collection of alpha motor neurons that innervates a single muscle is called a Motor Unit
A motor unit is part of the neuromuscular system that consists of a motor neuron and the skeletal muscle fibers that the axon innervates . When motor units are in group they are called a motor pool and they work together. Example is the contractions of muscles, All the motor units in the muscles group together to form a motor pool and coordinate the contractions of muscles.
In other words, Motor unit is a term used to describe a single motor neuron innervating the fibers of skeletal muscles. The axon endings of this motor neuron is in contact with the muscle fibers. The fibers in the motor unit are all of the same kind, but the number can vary from muscle to muscle. Activation of the motor unit leads to contraction of the muscle fibers.
To know more about neurons here
https://brainly.com/question/8734671
#SPJ4
Which of the following best explains why the frog feels drained due to a lack of food?
A. His belly is empty and about to croak
B. His circulatory system is not functioning properly.
C. His digestive system cannot produce energy.
D. His cells cannot perform cellular respiration to make energy without food.
HURRY
Answers
Answer:
d
Explanation
lack of food = no energy = fatigue
Ancient Greek philosophers spent lots of time thinking about science and imaging explanations for the natural world. What part of the scientific process did they need to do
Answers
Answer:
Experiments
Explanation:
The ancient Greek philosophers spent more time philosophising and thinking about scientific explanations to phenomena in the natural world.
How ever, they relied solely on reasoning while attempting to explain scientific observations. Contemporarily, science is highly empirical. The scientific process can only be complete when scientific observations are subjects to rigorous experiments in order go determine the actual relationship between variables and provide better explanation for scientific observations.
Hence the ancient Greek philosophers should have used experiments rather than sole reason in proffering scientific explanations to natural phenomena.
Answer:
Experiments
Explanation:
The ancient Greek philosophers spent more time philosophising and thinking about scientific explanations to phenomena in the natural world.
Which of the following is the correct flow of nutrients?
A. Cloud of nutrients tiny microbes caddisfly fish
B. Fish- tiny microbes caddisfly cloud of nutrients
C. Fish caddisfly tiny microbes cloud of nutrients
D. Cloud of nutrients caddisfly tiny microbes fish
Answers
Answer: d
Explanation: fishy fishy fishy
What type of RNA physically interacts with the ribosome?
Answers
2. How are prokaryotic cells different in size in comparison to eukaryotic cells?
Answers
Answer: prokaryotic are smaller than eukaryotic cells
Explanation: prokaryotic are smaller because they have no nucleus, and they lack organelles.
Imagine you find yourself in a heat wave and your air conditioner has broken. unable to find a new one at the store because of a price gouging law, you purchase an air conditioner on the black market. what role did the price gouging law have
Answers
The price gouging law unintentionally created a scarcity of air conditioners, leading you to purchase one from the black market.
Price gouging laws aim to prevent businesses from exploiting consumers during emergencies by excessively raising prices. In this scenario, the heat wave created a high demand for air conditioners, and the price gouging law restricted suppliers from increasing prices. This may have resulted in suppliers running out of stock, as they had no incentive to replenish their inventory or raise prices to meet the increased demand.
Consequently, you were unable to find an air conditioner at the store, which forced you to resort to the black market. Therefore, the price gouging law played a role in creating scarcity and pushing you towards the black market for your purchase.
Learn more about black market here:
https://brainly.com/question/18520647
#SPJ11
what is a DNA Synthesis
Answers
Answer: DNA synthesis is the biological process by which a deoxyribonucleic acid (DNA) molecule is created. In the cell, each of the two strands of the DNA molecule acts as a template for the synthesis of a complementary strand.
Explanation:
One theory of early life on Earth states that the first life forms did not use oxygen for respiration and were unable to make their own food. Based on this theory, which types of organisms were most likely present? Question 4 options: Aerobic, heterotrophic bacteria Anaerobic, heterotrophic bacteria Aerobic, autotropic bacteria Anaerobic, autotrophic bacteria
Answers
Answer:
Autotrpic bateria Anaerobic.
indian National congress was founded. _______
a) 1877
b) 1915
c) 1885
d) 1947
Answers
Answer:
{Indian National congress was founded in 1885.}
"Hope this Helpful."For guinea pigs, the allele for short hair (H) is dominant to the allele for long hair (h) and the allele for white claws (C) is dominant to the allele for black claws (c). A male guinea pig is mated with a female guinea pig that is heterozygous for both aforementioned traits. Of all of the offspring have short hair and around half have black claws, what is the most probable genotype of the father
Answers
Answer:
The father most likely has HH and cc as its genotypes.
Explanation:
Which means of particle transport requires input of energy from the cell?