Id say trick question it doesn't. Or, id say, it helps you realize how much to eat and what times you should be eating.
If you use a punnet sq. and cross the parents you see that all the children should be affected. by this thing represented by black.
The answer is D. The natural selection is a theory which illustrates the gradual process of evolution in the population due to the change of environment. The key point is the mutation (variation) exists in the population before the environment changing. For C, if the environment does not change, though the adaptation is useful to environment, it will not be selected. Because the organisms without the adaptation will not die.
The correct answer is DNA.
Each chromosome is made up of DNA tightly coiled many times around proteins<span> that support its structure :)</span>