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In an isolated population, the frequencies of the IA, IB, and i alleles of the A–B–O...

In an isolated population, the frequencies of the IA, IB, and i alleles of the A–B–O blood type gene are, respectively, 0.15, 0.25, and 0.60. If the genotypes of the A–B–O blood type gene are in Hardy–Weinberg proportions, what fraction of the people who have type A blood in this population is expected to be homozygous for the IA allele?

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