Which of the following is responsible for var | vedclass

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(B) Variation refers to the differences in characteristics among individuals of the same species.In sexually reproducing organisms,variation is primar

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Gene

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(B) Variation refers to the differences in characteristics among individuals of the same species.In sexually reproducing organisms,variation is primarily caused by the recombination of genes during meiosis and the occurrence of mutations.Genes are the units of heredity that carry information from parents to offspring.Changes in the $DNA$ sequence of genes,known as mutations,or the shuffling of alleles during sexual reproduction,lead to genetic variation.Therefore,genes are responsible for the variation observed in populations.

Which of the following is responsible for variation?

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