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AP Biology 7.5 A Describe the Conditions Under Which Allele and Genotype Frequencies Will Change in Populations Questions

Practise AP Biology 7.5.A questions by checking Hardy-Weinberg conditions and calculating allele or genotype frequencies in non-evolving populations.

Syllabus
Effective Fall 2025
Course
AP Biology

Exam points

  • identify the five Hardy-Weinberg conditions: large population, no migration, no mutation, random mating and no selection
  • calculate allele and genotype frequencies using p, q, p², 2pq and q²
  • compare observed and expected frequencies to evaluate a Hardy-Weinberg model or possible evolutionary change

AP Biology 7.5 A Describe the Conditions Under Which Allele and Genotype Frequencies Will Change in Populations Questions question 1

[Maximum number: 1]

A particular genetic disorder is associated with a single gene with two alleles. Individuals with two recessive alleles are affected. The prevalence of the disorder is 1 in 6,600. Assuming the population is in Hardy-Weinberg equilibrium, which of the following is closest to the frequency of carriers in the general population?

Figure 1. A signaling cascade triggers the relaxation of smooth muscle cells.

Figure 1. A signaling cascade triggers the relaxation of smooth muscle cells.

A

0.00015

B

0.01230

C

0.02430

D

0.98770

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