The H2 haplotype on chromosome 17 occurs in about 21% of European women. Natural selection is strongly implicated because:
A) H2 women are infertile.
B) H2 women have 3.5% more children than do non-H2 women.
C) H2 women have 25% more children than do non-H2 women.
D) H2 women suffer from high rates of tuberculosis.

Question

Quizplus · Accepted Answer

H2 women have 3.5% more children than do non-H2 women, suggesting that the H2 haplotype confers a fitness advantage.

The H2 Haplotype on Chromosome 17 Occurs in About 21