AGB-0017
QUESTION
As inbreeding progresses, proportion of heterozygote will?
OPTIONS
(A) Increase
(B) Decrease
(C) Both
(D) None
ANSWER
(B) Decrease
EXPLANATION
As inbreeding increases, homozygosity rises and heterozygosity declines because related individuals are more likely to carry identical alleles that become homozygous in their offspring. Thus the proportion of heterozygotes decreases, while the proportion of homozygotes increases.
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