Study Questions 3-1 2007

Study Questions 3-1 2007 - Biology 370 Study Questions 3-1...

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Biology 370 Study Questions 3-1. 1. For a single gene with 2 alleles, A and a, the frequency of 3 genotypes in a population is 0.33, 0.33, and 0.33. What is the inbreeding coefficient for this population? 2. For a single gene with 2 alleles, A and a, the frequency of 3 genotypes in a population is f(AA) = 0.25, f(Aa) = 0.5, and f(aa) = 0.25. What is the inbreeding coefficient for this population? 3. What is inbreeding depression? How would you know it if you saw it? 4. For two genes each with two alleles, S and s, and T and t, with the following allelic frequencies, f(S) = 0.4, f(s) = 0.6, f(T) = 0.7 and f(t)= 0.3, what is the expected frequency of each genotype for the two genes? 5. The table below gives the frequency of all 9 genotypes in a population. What is the measure of linkage disequilibrium? Genotype SSTT SSTt SStt SsTT SsTr Sstt ssTT ssTt sstt frequency 0.1024 0.2432 0.1444 0.0512 0.2016 0.1672 0.0064 0.0352 0.0484 6. Given the population in the previous question, what will the genotypic frequencies be in the next generation assuming the genes are not linked and the population mates randomly?
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