If two parents that are heterozygous (Aa) at a single locus give rise to offspring that are 25 percent AA, 50 percent Aa, and 25 percent aa, then all of the following are true EXCEPT: (A) The parents are diploid organisms.
(B) The a allele is recessive lethal.
(C) The alleles assort independently.
(D) The gametes combine at random.
(E) The probability that a given gamete will receive allele A is one-hal

Answers

Answer 1

Answer: I don't understand your question

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Why do our eyes become red, when we cry?

Answers

Red eyes are common when it comes to crying ( tearing up ) it's mainly because our eyes dilate. Like if you were glasses and take them off.
also known as bloodshot. Or when you wake up in the morning and turn on the light. These two were examples in me explaining my answer.

i really hope this helps

Answer:Read the excerpt from chapter 7 of Night.

We all got up. We all pulled our soaked blankets tighter around our shoulders. And we tried to take a few steps, to shuffle back and forth, in place.

Suddenly, a cry rose in the wagon, the cry of a wounded animal. Someone had just died.

Others, close to death, imitated his cry. And their cries seemed to come from beyond the grave. Soon everybody was crying. Groaning. Moaning. Cries of distress hurled into the wind and the snow.

The lament spread from wagon to wagon. It was contagious. And now hundreds of cries rose at once. The death rattle of an entire convoy with the end approaching. All boundaries had been crossed. Nobody had any strength left. And the night seemed endless.

Which sentence from the passage best supports the author’s viewpoint that the situation is hopeless?

“We all pulled our soaked blankets tighter around our shoulders.”

“The lament spread from wagon to wagon.”

“It was contagious.”

“The death rattle of an entire convoy with the end approaching.”

Explanation:

Explain how a crayfish is designed to be a bottom feeder.

Answers

Bottom feeders can be seen in almost all natural water bodies and the most common among them are crabs, crayfish, bristle worms, snails, starfish, shellfish, flatfish, eels, carp, shark, etc. Even though, all those fish and other aquatic creatures, that dwells on the bottom of the water bodies are jointly called bottom feeders, the term is usually used for those fish, that are mainly found as bottom feeders in aquariums. !

20. Neutrons and
are found in the nucleus of an atom. (1 point)

Answers

You know that neutrons are found in the nucleus of an atom. Under normal conditions, protons and neutrons stick together in the nucleus. During radioactive decay, they may be knocked out of there. Neutron numbers are able to change the mass of atoms, because they weigh about as much as a proton and electron together.

How much of Haiti’s forests have been cut down

Answers

Haiti’s forests have been cut down by more than 95%. Some people consider that the deforestation has reached an alarming level of 99%. Due to this there is only 39% land that can be cultivated. In this country more than 70% people live below poverty level. This huge destruction of forests has resulted in climatic changes as well. The people of Haiti wanted to end poverty by going for industrialization by destroying forests. This was a bad move on the part of the people of Haiti.

98% of Haiti's forests have been cut down.

What do Dung beetles, Scarab beetles, Flys eat?

Answers

Answer:

blood

Explanation:

they eat blood because here all nutrient in blood

one day a little cow go into a foredt and had blood so her die

How does the overuse of fertilizer produce algal blooms in bodies of water far from the source of the pollution? a.Excess carbon dissolves in water and runs off into rivers and streams, causing plant and algae populations to explode.
b.Excess oxygen dissolves in water and runs off into rivers and streams, causing plant and algae populations to explode.
c.Excess nitrogen dissolves in water and runs off into rivers and streams, causing plant and algae populations to explode.
d.Excess hydrogen dissolves in water and runs off into rivers and streams, causing plant and algae populations to explode.

Answers

Answer is (c). Excess nitrogen dissolves in water and runs off into rivers and streams, causing plant and algae populations to explode.

The fertilisers contain urea which is a Nitrogen based compound. The use of fertilisers in farms leads to the water run offs carrying the excess amount of it to the nearby water bodies. The algae in the water bodies require Nitrogen to synthesise the proteins needed for their growth. The increase in the dissolved Nitrogen in the water bodies due to the run off boosts the growth of algae by fulfilling their requirements.

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