ps2, probs 1+2+3

ps2, probs 1+2+3 - 74 individuals are Rr 16 individuals are...

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LS4 Problem Set 2, 2010 Population Genetics Corresponding Lectures: November 5, 8 and 10 Corresponding Reading: Hartwell et al., 757-773 Corresponding Quiz: November 15-19 (Along with positional cloning) If you want to try additional problems, there are many at the end of chapter 21 that pertain to this section of the course. Problem 1. M and N are two codominant alleles of an autosomal blood type gene. In a population of 1000 individuals, the following numbers of individuals are observed with the indicated blood types. 550 MM 150MN 300 NN a) What are the allele frequencies of M and N in this population? b) If this population is at Hardy-Weinberg equilibrium, how many individuals with a genotype of MN would you expect to see? Problem 2. Population 1 10 individuals are RR
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Unformatted text preview: 74 individuals are Rr 16 individuals are rr Population 2 81 individuals are RR 18 individuals are Rr 1 individual is rr a) What are the allele frequencies of R and r in population 1? b) What are the allele frequencies of R and r in population 2? c) Which population is at Hardy-Weinberg equilibrium? Problem 3. A certain codominant trait is determined by an X-linked gene in humans (alleles A1 and A2). Determine whether the following population is in Hardy-Weinberg equilibrium using the chi-square test. Population: Males: 391 A1, 109 A2 Females: 310 A1A1, 165 A1A2, 25 A2A2 1. List the expected values for each genotypic class under your null hypothesis. 2. Perform the chi-square calculation. 3. State your conclusion based on the data....
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