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Why is sexual reproduction considered more efficient than asexual in generating variation?
Answer & Solution
Correct answer: C.
1. Asexual variation comes only from copying errors, which are slow to accumulate.
2. Sexual reproduction combines variations already present in two parental DNAs.
3. Each offspring inherits a novel combination of pre-existing variants, accelerating variation.
_Source: NCERT Class 10 Science, Ch 7 "How do Organisms Reproduce", §7.3.1_
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