po
Forum Elite
Topics: 39
Posts: 356
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1. If the frequency of two alleles in a gene pool is 90% A and 10% a, what is the frequency of individuals in the population with the genotype Aa?
a.0.81
b.0.09
c.0.18
d.0.01
e.0.198
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| usmletopper1
Forum Junior
Topics: 13
Posts: 73
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90*10/1000=.09
muliplying the non dependent probabilities
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| drgho
Forum Junior
Topics: 1
Posts: 115
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(2*0.9*0.1) = 0.18
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| Jackofknives
Ipwnpoker.com
Topics: 91
Posts: 708
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Yep you can have Aa and aA
So for carrier: Aa + aA = 2 * 0.9 * 0.1 = 0.18
AA = 0.9^2 = 0.81
aa = 0.1^2 = 0.01
In total: 0.81 + 0.18 + 0.01 = 1
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| asha_usmle
Forum Newbie
Topics: 2
Posts: 7
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Aa = 2pq =2x0.9x0.1=0.18
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