If the X3 allele is undergoing positive selection, what will be the likely end result? A There will be no individuals that are X3X3 B All individuals will be X1X3 or X2X3 because of the heterozygote advantage. C The variance of the trait will stay the same, but the mean value will increase. D The frequency of X3 will increase and it could potentially become fixed in the population. e The allele frequency of X1 and X2 will stay the same, but the allele frequency of X3 will increase.

Biology (MindTap Course List)
11th Edition
ISBN:9781337392938
Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Chapter19: Evolutionary Change In Populations
Section: Chapter Questions
Problem 3TYU: The MN blood group is of interest to population geneticists because (a) people with genotype MN...
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If the X3 allele is undergoing positive selection, what will be the likely end result?

A There will be no individuals that are X3X3
B All individuals will be X1X3 or X2X3 because of the heterozygote advantage.
C The variance of the trait will stay the same, but the mean value will increase.
D The frequency of X3 will increase and it could potentially become fixed in the population.
e The allele frequency of X1 and X2 will stay the same, but the allele frequency of X3 will increase.
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