Which of the following are the main causes of genetic variations?

Mutations

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Sexual reproduction

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Gene flow

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All the above

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Solution

The correct option is D
All the above

Genetic variation is the difference in DNA sequences between individuals within a population

Mutations are changes in the DNA. A single mutation can cause a large effect. In many cases, evolutionary changes are based on the accumulation of many mutations.

Gene flow is any movement of genes from one population to another.

Sexual reproduction can introduce new gene combinations into a population.

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Similar questions

Assertion (A): Differences in a population are created by genetic variations.

Reason (R): Driving factor for variation is the source of sexual reproduction and also asexual reproduction.

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