In a randomly breeding population, the frequency of the dominant allele (D) is 0.8. The relative fitness of DD and Dd is 1.0 while dd is 0.4. If you allow one generation of selection against dd, what is the gene frequency of D after selection? A. 0. 18 B. 0.32 C. 0.82 D. 0.64
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- You have a population of 100 individuals in HW equilibrium and there are two alleles at the T locus (T and t). If there are 36 individuals in the population with genotype tt, what is the expected frequency of the t allele under HW? Group of answer choices A. 0.36 B. 0.18 C. 0.5 D. 0.6 E. 0.72In a population that is in Hardy-Weinberg equilibrium, there are two possible alleles for a certain gene, A and a. If the frequency of allele A is 0.4, what fraction of the population is heterozygous? O A. 0.40 B. 0.60 C. 0.16 D. 0.48The allele frequency of C is 0.4 and c is 0.6. If the population is in Hardy-Weinberg equilibrium, what is the frequency of heterozygotes? a. 0.16 c. 0.26 b. 0.24 d. 0.48
- A population of cats is in Hardy Weinberg equilibrium for the S locus which causes patches of white fur. There are two alleles S and s. The frequency of the S allele is 0.3 and the frequency of the s allele is 0.7. What is the expected frequency of Ss cats in the population? Group of answer choices A. 0.21 B. 0.7 C. 1.0 D. 0.3 E. 0.42In a hypothetical species of mice, the shaggy gene determines hair length. S is the dominant allele and confers the short hair phenotype. Homozygous ss individuals have long hair. There are 422 long-haired mice and 278 short-haired mice in the population. What is the frequency of the SS genotype? a. 0.60 b. 0.05 c. 0.40 d. 0.22vv82 In a randomly breeding population, the frequency of the dominant allele (D) is 0.8. The relative fitness of DD and Dd is 1.0 while dd is 0.4. If you allow one generation of selection against aa, what is the genotypic frequency of dd before selection? A. 0.56 B. 0.64 C. 0.04 D. 0.32
- Suppose that in a population the frequency of a particular recessive condition is 1/400. Assume this is locus with two alleles (A and a) in the population and that the population is at Hardy–Weinberg equilibrium. What is the frequency of the carriers of this condition in the population? A. 0.9025 B. 0.0025 C. 0.05 D. 0.095 E. 0.0475In a population of frogs, allele frequencies for gene B are: p = f(B) = 0.3 q = f(b) = 0.7 If the population has 500 frogs and is under Hardy-Weinberg equilibrium, what is the genotypic frequency of the bb genotype? A. 350 B. 280 C. 55 D. 245Consider a gene with two alleles, L and M, that exhibit complete dominance. The table below provides the relative fitnesses of the three genotypes in two populations. LL LM MM Population 1 0.8 0.3 0.3 Population 2 0.9 1.0 1.0 a. Which allele is dominant, and how do you know? b. Which allele will increase (in each population), and how do you know? c. In which population will the change in allele frequencies occur more quickly, and how do you know?
- In a randomly breeding population, the frequency of the dominant allele (D) is 0.8. The relative fitness of DD and Dd is 1.0 while dd is 0.4. If you allow one generation of selection against dd, what is the gene frequency of d after selection? A. 0. 18 B. 0.32 C. 0. 82 D. 0.64Assuming a population is in Hardy-Weinberg equilibrium, an increase in the frequency of the p(A) allele from 0.6 to 0.9 would result in which of the following outcomes? a. A decrease in the number of homozygous dominant individuals within the population b. A decrease in the number of homozygous recessive individuals within the population c. An increase in the number of homozygous recessive individuals within the population d. An increase in the number of heterozygotes within the population e. No change in genotypic frequency within the populationIf a population has10 individuals with genotype AA, 20 with genotype Aa and 70 with genotype aa, what is the frequency of the a allele in the population? Group of answer choices A. 0.75 B. 0.90 C. 0.14 D. 0.70 E. 0.80