High School

Under ideal conditions, how do allele frequencies change over time?

A. The frequency of the recessive allele increases in each generation.

B. The allele frequency does not change from one generation to the next.

C. The alleles eventually reach a 50/50 balance.

D. The frequency of the dominant allele increases in each generation.

Answer :

Under ideal conditions, [ option b ] allele frequencies remain constant from one generation to the next the frequency does not change.

This situation is depicted by the Strong Weinberg balance, which expresses that allele and genotype frequencies in a populace stay steady without a trace of transformative powers like normal determination, change, hereditary float, and movement.

Subsequently, the right response is : The allele recurrence doesn't change starting with one age then onto the next. For instance, consider a characteristic constrained by two alleles, An and a.

On the off chance that the populace is in Tough Weinberg balance and no outer powers follow up on these alleles, their frequencies will stay stable across ages.

The answer is C. The alleles eventually reach a 50/50 balance.

Under ideal conditions, the allele frequencies of a population will reach a state of equilibrium, also known as the Hardy-Weinberg equilibrium. In this state, the frequencies of the two alleles will balance out at 50/50. This occurs because, in the absence of any evolutionary forces, such as mutation, natural selection, genetic drift, or gene flow, the frequency of each allele will remain constant from one generation to the next.

Therefore, the ideal conditions for allele frequencies to change over time would result in the equilibrium state where the frequency of each allele would remain constant, and the alleles would eventually reach a 50/50 balance.

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