Population+genetics+KEY WI2010

Population+genetics+KEY WI2010 - Population Genetics...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Population Genetics Problem Set BIO 171 W2010 Problem 1. a. frequency of A is 0.5 A, frequency of a is 0.5 a b. i. egg with A = 0.5 b. ii. sperm with A = 0.5 b. iii. egg with a = 0.5 b. iv. sperm with a = 0.5 c. Egg and sperm genotypes are A and a (in equal frequencies) - set up Punnett Square below: A a AA Aa aA aa Genotype frequency of AA = 0.5 x 0.5 = 0.25 Genotype frequency of Aa = 0.5 x 0.5 = 0.25 Genotype frequency of aA = 0.5 x 0.5 = 0.25 Genotype frequency of aa = 0.5 x 0.5 = 0.25 Problem 2. a. If HWE assumptions are met ( i.e., no selection, no genetic drift, no gene flow, no mutation and random mating with respect to gene under study), the Hardy Weinberg principle PREDICTS that genotype and allele frequencies will not change from one generation to the next generation. b. i. If you sample just after the major weather disaster, then HWE equilibrium cannot be assumed , as genetic drift likely impacted allele frequencies when population size was reduced from very large (given in problem 1) to large (given in problem 2). b. ii. After one generation of random mating with respect to gene under study and no evolutionary processes acting on this gene , then you would be able to use Hardy Weinberg
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 05/29/2010 for the course BIO 171 taught by Professor Josephinekurdziel during the Winter '08 term at University of Michigan.

Page1 / 3

Population+genetics+KEY WI2010 - Population Genetics...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online