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If within a large population no mutations occur, no migration occurs, all matings are random and each individual has an equal chance of reproducing. which of the following will probably happen?

a. no evolution will occur
b. natural selection will occur at the normal rate for that species
c. a population bettleneck will occur
d. frequency will lead to rapid evolution

1 Answer

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Final answer:

If a large population experiences no mutations, no migration, random mating, and an equal reproductive chance for all individuals, it will likely not undergo evolution, as these conditions align with the Hardy-Weinberg equilibrium.

Step-by-step explanation:

If no mutations occur, no migration happens, all matings are random, and each individual has an equal chance of reproducing within a large population, the likely outcome is that no evolution will occur. This scenario reflects the conditions of the Hardy-Weinberg equilibrium, which states that allele frequencies in a population will remain constant from generation to generation if five specific conditions are met. These conditions are: no mutations, no migration, a large population size, random mating, and no natural selection.

If these conditions are truly met, genetic variation does not increase or decrease, and hence there is no change in the genetic structure of the population. Consequently, we do not expect to observe the typical process of evolution, such as changes in allele frequencies due to natural selection, genetic drift, or gene flow.

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