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- When a population has a gene with four alleles circulating, how many possible genotypes are there? a.3 b.6 c. 10 d. 16In population genetics, for a locus with two alleles, we use the variable q to indicate... a) Freq(A), the frequency of the dominant allele b) Freq(a), the frequency of the recessive allele c) Freq(AA), the frequency of the AA genotype d) Freq(Aa), the frequency of the Aa genotype e) Freq(aa), the frequency of the aa genotypeImagine that in squirrels, the gene for brown coat is coded by two alleles, D for dark brown and d for light brown. In a population of squirrels in Central Park, you identified 251 DD, 182 Dd , and 117 dd. What is the frequency of the light brown, d allele? Please use and round to four decimal points.
- Which term indicates that a single gene has two or more alleles present in a population? A. Point mutation B. Genotype C. Polymorphism D. PleiotropyWhat is the gene pool? How is a gene pool described in a quantitative way?What evolutionary factors can cause allele frequencies to change and possibly lead to a genetic polymorphism? Discuss the relative importance of each type of process.
- For neutral loci in non-coding regions of the genome, what two factors determine the level of genetic variation in a population? (select one answer) A. Genetic drift and time B. Mutation rate and heritability C. Mutation rate and population size D. Gene flow and selection E. Recombination and independent assortmentWhat determines how often a phenotype occurs in a population?A population consists of 20% AA, 30% Aa and 50% aa. What is the frequency of the A allele in this population? Give typing answer with explanation and conclusion