Acetylcholine, sometimes shortened to ACh.
DNA is a dynamic and adaptable molecule. As such, the nucleotide sequences found within it are subject to change as the result of a phenomenon called mutation. Depending on how a particular mutation modifies an organism's genetic makeup, it can prove harmless, helpful, or even hurtful
I believe the answer will be D.
Adding those organic materials back into the soil helps it become rich in nutrients that have been used in order to grow the plants to begin with.
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One of the concerns regarding genetic selection is that some traits for pest resistance may affect the texture of lettuce, it is known as pleiotropic effects.
<h3>What is a pleiotropic effect?</h3>
In genetics, a pleiotropic effect occurs when one gene influences the phenotypic expression of several traits.
Pleitropic effects represent a problem in breeding programs because positive selection for a trait can also produce negative selection for another trait.
In conclusion, one of the concerns regarding genetic selection is the presence of pleiotropic effects.
Learn more about pleiotropic effects here:
brainly.com/question/2908634
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Density-dependent limiting factors cause a population's per capita growth rate to change—typically, to drop—with increasing population density. ... Density-independent factors affect per capita growth rate independent of population density. Examples include natural disasters like forest fires.
