Biology · Genetics and Evolution
In an experiment, two fly populations are separately maintained for many generations. Population A contains closely related individuals (inbreeding), whereas Population B contains a set of unrelated individuals. Over many generations, it was observed that the fitness of individuals in Population A is lower than the fitness of those in Population B, becau se:
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- 1Unrelated individuals are more likely to spontaneously generate new high-fitness genes.
- 2The offspring of close relatives express more deleterious recessive mutations due to increased homozygosity.✓
- 3Close relatives compete for common resources more than unrelated individuals.
- 4Close relatives will not mate with one another.
Correct answer
The offspring of close relatives express more deleterious recessive mutations due to increased homozygosity.
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