Biology for IGCSE & O level - Variation And Selection (Section 7 - No. 15)
How does sexual reproduction contribute to genetic variation?
It reduces the number of genes.
It creates identical offspring.
It shuffles the alleles of genes during meiosis and creates new combinations of alleles in fertilization.
It only involves the inheritance of genes from one parent.
Explanation
Sexual reproduction shuffles genes during meiosis and creates novel combinations of alleles in fertilization, leading to genetic variation.
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