Genetic Variation in a Population

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Genetic variation within a population is a naturally occurring genetic difference among individuals of some species permitting flexibility and survival of a population in the face of changing environmental circumstances. This can be caused by mutation, random mating, random fertilization, and recombination. Genetic variation is important to a population because allows some individuals to adapt to the environment while maintaining the survival of the population. Some examples of genetic variation include eye and hair color, blood type, camouflage in some animals, and leaf modification in plants.

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