You Discover a Population of Mustard Plants and Find It

question 70

Multiple Choice

You discover a population of mustard plants and find it to be at Hardy-Weinberg equilibrium with respect to the R locus.Suppose there are two alleles at this locus and the frequency of one of those alleles (the r-6 allele) is 0.2.Of the individuals that carry at least one r-6 allele, what fraction will be heterozygotes?

• A) 1/9
• B) 1/5
• C) 1/3
• D) 4/5
• E) 8/9

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