Gene pools and selection Quiz
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5 questions, one answer each
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1. Which type of selection favours both extremes?
- A. Stabilising
- B. Directional
- C. Disruptive
- D. Genetic drift
2. A recessive condition affects 1 in 400 people. What is ?
- A. 0.0025
- B. 0.05
- C. 0.2
- D. 0.5
3. A small group of birds colonises an island. Which term describes the resulting change in allele frequencies?
- A. Stabilising selection
- B. Founder effect
- C. Mutation
- D. Disruptive selection
4. Which assumption is NOT needed for the Hardy-Weinberg equation?
- A. Random mating
- B. No selection
- C. A large population
- D. All individuals are heterozygous
5. Why does genetic drift have a bigger effect in small populations?
- A. Mutation rates are higher
- B. Chance events have a bigger effect on which alleles are passed on
- C. Selection is stronger
- D. There is more migration