The total aggregate of genes in a population at any one time is called what?
Correct answer: B. Gene pool
- A. Genome
- B. Gene pool
- C. Genetic group
- D. Genomic library
Explanation
The correct answer is 'Gene pool.' This term refers to the total genetic diversity within a population or species, including all the alleles for every gene present. In contrast, a 'genome' pertains to the full set of genetic material in an individual organism. A 'genetic group' refers to a subgroup of individuals with shared genetic traits, and a 'genomic library' is a collection of DNA sequences from a single organism's genome. Thus, the 'gene pool' is the most appropriate term for describing the aggregate of genes in a 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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