Genetic Drift
Mediumbiology
Founder effect results in:
Select the correct option:
Solution
Incorrect! Answer:
Random sampling altering allele frequencies
- Genetic Drift: Random fluctuations in allele frequencies, particularly in small populations.
- Founder Effect: Occurs when a small group of 'founders' leaves a population and colonizes a new area.
- Sampling Error: By chance, the founders may carry a set of alleles that is not representative of the original larger population.
- Result: This random sampling results in a new population with different allele frequencies and usually reduced genetic diversity compared to the ancestral population.
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About This Question
- Subject
- biology
- Chapter
- genetics and evolution
- Topic
- genetic drift
- Difficulty
- Medium
- Year
- 2025
Solution
Correct Answer:
Random sampling altering allele frequencies
- Genetic Drift: Random fluctuations in allele frequencies, particularly in small populations.
- Founder Effect: Occurs when a small group of 'founders' leaves a population and colonizes a new area.
- Sampling Error: By chance, the founders may carry a set of alleles that is not representative of the original larger population.
- Result: This random sampling results in a new population with different allele frequencies and usually reduced genetic diversity compared to the ancestral population.
This medium difficulty biology question is from the chapter genetics and evolution, covering the topic of genetic drift. It appeared in the 2025 exam.
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