Lec 16 - Departures f(YY 0.36 0.48 excess YY f(Yy 0.48 0.24 heterozygote deficiency f(yy 0.16 0.28 excess yy genetic drift – small population

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f(y) = 0.8 f(y) = 0.2 Expected genotypic frequency if there is no evolution (if H-W applies) F(YY) = p^2 F(yy) = q^2 F(Yy) = 2p1 F(Y) F(y) F(Y) 0.64 0.16 F(y) 0.16 0.04 P^2 + 2pq + q^2 = 1 0.64 + 2(0.16) + 0.04 = 1 0.64 + 0.32 + 0.04 = 1 f(YY) = 0.64 f(Yy) = 0.32 f(yy) = 0.04 The observed frequencies were: f (YY) = 0.48 , f (Yy) = 0.24, f (yy) = 0.28 Expected Observed
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Unformatted text preview: Departures f (YY) 0.36 0.48 excess YY f (Yy) 0.48 0.24 heterozygote deficiency f (yy) 0.16 0.28 excess yy genetic drift – small population size = not good representation-as the sample size gets bigger and bigger = closer to bringing observed frequencies to true frequencies-chance effect due to small sample size-...
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This note was uploaded on 04/21/2010 for the course BIS 2C BIS 2C taught by Professor Rizzo during the Winter '09 term at UC Davis.

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Lec 16 - Departures f(YY 0.36 0.48 excess YY f(Yy 0.48 0.24 heterozygote deficiency f(yy 0.16 0.28 excess yy genetic drift – small population

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