In a population in Hardy-Weinberg equilibrium, the frequency of a recessive genotype (aa) is 0.04. What is the frequency of heterozygous carriers (Aa)?
Answer and explanation
Correct answer: A. 0.32
- Step 1: gives and . Step 2. The carrier frequency is . Answer: 0.32. Why not the others: 0.16 is without the factor 2, 0.20 is , and 0.64 is .
Practise more Génétique, évolution et immunité.
Free questions with an explanation for every one, and full timed French Baccalaureat mock tests.
More Génétique, évolution et immunité questions
- In a DNA double helix, which base pairs with adenine (A)?
- How many cells result from meiosis of one diploid cell, and what is their chromosome number compared with the parent cell?
- What is produced during transcription, and where does it happen in a human cell?
- Where does translation take place, and what does it produce?
- What is a codon?
- What is an allele?