Chapter 20 Topic Review List

Chapter 20 Topic Review List - Chapter 20/21 Topic Review...

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Chapter 20/21 Topic Review Questions 1. State the Hardy-Weinberg Principle (your book does not have a concise statement of the Principle – please look for a concise statement on line). The model has five basic assumptions: 1) the population is large (i.e., there is no genetic drift); 2) there is no gene flow between populations, from migration or transfer of gametes; 3) mutations are negligible; 4) individuals are mating randomly; and 5) natural selection is not operating on the population. Given these assumptions, a population's genotype and allele frequencies will remain unchanged over successive generations, and the population is said to be in Hardy-Weinberg equilibrium. The Hardy- Weinberg model can also be applied to the genotype frequency of a single gene. 2. For each of the Hardy-Weinberg assumptions, cite one piece of evidence that
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