lecture13+popgen+2

0 06 0 4 expected p2 2pq q2 deviaon 0

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Unformatted text preview: (IF 2 alleles) Alleles: p = f(A1)= f(A1A1) + f(A1A2)/2 =0.3 +0.3 = 0.6 q= f(A2)= f (A2A2)+f(A1A2)/2 =0.1 + 0.3 = 0.4 p+q = 1 (IF 2 alleles) An example from your textbook Is this popula>on in Hardy- Weinberg equilibrium? p = ? q = ? Text Fig 22.7 f (rr) f (Rr) f (RR) Observed 0.0 0.20 .80 Expected p2= 2pq= q2= Devia>on? +/- /0 Why? Is this popula>on in Hardy- Weinberg equilibrium? p = ? q = ? Text Fig 22.7 f (rr) f (Rr) f (RR) Observed 0.0 0.6 0. 4 Expected p2= 2pq= q2= Devia>on? +/- /0 Why? How will popula>ons evolve when Hardy- Weinberg assump>ons are violated? – Gene>c dri: (sampling error in small popula>ons) – Non- random ma...
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