What is the frequency of s1

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Jean Manning, Charles Kerfoot, and Edward Berger studied the frequencies at the phosphoglucose isomerase (GPI) locus in the cladoceran Bosmina longirostris. At one location, they collected 195 animals from Union Bay in Seattle, Washington, and determined their GPI genotypes by using electrophoresis. They counted the following # for each genotype: S1S1 = 7; S1S2 = 52; S2S2 = 136. What is the frequency of S1?

Reference no: EM13116072

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