4. If a population is in \"Hardy-Weinberg equilibrium\", then there is a simple

Question

4. If a population is in "Hardy-Weinberg equilibrium", then there is a simple and predictable relationship between the frequency of alleles in one generation and the frequency of allLL aliis in the next generation. (10pts) 5. If a population is in "Hardy-Weinberg equilibrium", then evolution is occurring OR not occurrintchoose one). (10pts) Questions 6 and 7 refer to the following table. Allele Frequency Genotype Number 24 19 27 Genotype Genotype Frequen 1 6. What are the genotype frequencies? (15pts) 7. What are the allele frequencies? (0pts) 6 s Total 260 rue or False. Positive assortative mating is occurring if individuals are only mating with other members of the population that have the same genotype as them. (10pts) If individuals in a population are only mating with other members of the population with the same genotype, then what would you expect to happen to the genotype and allele frequencies over subsequent generations? (15pts)

Explanation / Answer

5) Evolution is not occuring. If the population is in hardy weinberg equilibrium the allele frequencies remains constant or is in equilibrium and no mutation, no migration, no natural selection occurs.

6) Frequency of allele = (2*number of homozygotes) + (number of heterozygotes)/ (2*number of individual)

Frequency of A allele (p) = 2*24 + 19 / 2*70 = 0.47

Frequency of a allele (q) = 2*27 + 19 / 2*70 = 0.53

Genotypic frequency of AA = 24/70 = 0.34

Genotypic frequency of Aa = 19/70 = 0.27

Genotypic frequency of aa = 27/70 =0.38

8) True

9) It would result in inbreeding leading to genetic drift and hence frequency of allele changes, the population is no longer in Hardy weinberg equilibrium

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