Inbreeding reduces the fitness of a population due to increased expression of:
Correct answer: D. Deleterious recessive traits
- A. Rate of spontaneous mutation
- B. Levels of aggression
- C. Genetic diversity
- D. Deleterious recessive traits
Explanation
Deleterious recessive traits - Inbreeding increases homozygosity, causing harmful recessive genes to be expressed. This expression lowers the overall fitness of the population.
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About Evolution
Evolution describes heritable change in populations over generations through variation, natural selection and adaptation. Lamarckism explains inheritance of acquired characteristics, while Darwinism explains selection of favourable inherited variations; these historical explanations must not be confused with the modern genetic account of evolutionary change.
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