23 Jul WEINBERG EQUILIBRIUM APPLIES WHAT IS THE FREQUENCY OF THE HBB S ALLELE IN THE HUMAN POPULATION?
) condition of a single Show more QUESTION 1 Sickle-cell anemia is caused by the homozygous recessive (HBB S HBB S ) condition of a single gene with two alleles: HBB A (wild-type) and HBB S (sickle-cell mutation). The frequency of sickle-cell anemia (HBB S HBB S ) in the human population is 0.0025. Assuming that Hardy-Weinberg equilibrium applies what is the frequency of the HBB S allele in the human population? 0.0025 0.005 0.05 0.5 0.9975 QUESTION 2 There are 400 individuals in a sample group. The gene of interest has two alleles: A (dominant) and a (recessive). One hundred individuals of the sample group are homozygous for the dominant allele (AA); one hundred individuals are homozygous for the recessive allele (aa); the remaining individuals of the sample group are heterozygous (Aa). What is the frequency of allele a in the sample group? 0.25 0.375 0.5 0.625 0.75 QUESTION 3 When subpopulations evolve into different species as a result of geographical separation that process is called: allopatric speciation parapatric speciation peripatric speciation stasipatric speciation sympatric speciation QUESTION 4 When two DNA sequences are similar because they are both descended from the same DNA sequence in a common ancestor those DNA sequences are considered to be: analogous heterologous heterozygous homologous homozygous QUESTION 5 Which of the following is an assumption of the Hardy-Weinberg equilibrium? mutation migration natural selection genetic drift random mating Show less
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