Although Mutation Is the Original Source of Genetic Variation,its Influence

question 23

True/False

Although mutation is the original source of genetic variation,its influence on changing allelic frequencies is relatively minor.

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Definitions:

Cryptochrome

A class of flavoproteins that are sensitive to blue light and are involved in the circadian rhythms and photoperiodism in plants and animals.

Clock Protein

A component of the circadian clocks of organisms, involved in maintaining the biological rhythm according to a 24-hour cycle.

Photoperiodic Response

The physiological reaction of organisms to the length of day or night, affecting processes such as flowering in plants and breeding in animals.

Photoperiodism

The physiological reaction of organisms to the length of day or night, often affecting flowering and reproduction.