PS 2 answers, prob 14 - rr = 0.034 x 1000 rr = 34...

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Problem 14. A) Under Hardy-Weinberg equilibrium assumptions, determine the frequencies of both the wild-type and mutant alleles. 20 = Round-eared 40 = rr (40/1000) = q 2 0.2 = q 0.8 = p B) The Vulcans send the 20 round-eared individuals to Earth to infiltrate the American government. If the 980 remaining Vulcans mate randomly, how many round-eared individuals will there be in the next generation of 1,000 Vulcan offspring? r = 0.2 x 2000 = 400 new r = 400 - 40 new r = 360 new q = (360/1960) new q = 0.184 new q 2 = 0.034
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Unformatted text preview: rr = 0.034 x 1000 rr = 34 round-eared = 34 x 0.5 = 17 C) A deadly ear-ache pandemic sweeps through the Vulcans planet. However, heterozygosity at the pointy-eared locus confers resistance to the disease, allowing only those individuals to survive and reproduce (homozygotes for either allele die). Determine the proportion of pointy-eared individuals in the first generation of offspring from the survivors. q = 0.5 q 2 = 0.25 rr = 0.25 round-eared = 0.25 x 0.5 = 0.125 pointy-eared = 1 0.125 = 0.875...
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This note was uploaded on 02/15/2012 for the course PMB 13 taught by Professor Freeling during the Spring '09 term at University of California, Berkeley.

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