Answer:
C.) Disruptive selection
Explanation:
Disruptive selection is also called as diversifying selection. Here, two or more extreme phenotypes are preferred over the intermediate phenotype. Since more than one phenotype is preferred here, the genetic diversity of the population increases over generations.
For example, in lobsters alpha males are able to successfully mate by using force. Smaller males can also sneak in alpha males's territory and successfully mate. Hence, both alpha males and small males will be preferred over medium sized males in lobsters increasing the overall genetic diversity of population.
Disruptive selection help to tends to maintain the diversity of alleles in a population with respect to a given gene, over many generations.
Disruptive selection, is also called diversifying selection which refer to form of populational changes in which extreme values for a trait are favored above the intermediate values. In this situation, there is increase in variance and the population is divided into two.
Therefore, Disruptive selection help to tends to maintain the diversity of alleles in a population with respect to a given gene, over many generations.
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