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Which of the following is not a source of genetic variation?

a. Mutations
b. Sexual reproduction
c. Lateral gene transfer
d. Asexual reproduction

User Ild Flue
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Among choices, only d. Asexual reproduction is not a source of genetic variation. In asexual reproduction, offspring has the identical genetic information as parents. So, there is no genetic variation, all related organisms are the same. On the contrary, sexual reproduction, mutations, and lateral gene transfer cause changes in genetic information among offspring compared to parents and they are a good source of genetic variation.
User Sunding Wei
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