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Having half the chromosome number in reproductive cells prevents which major problem?

Answer and explanation

Correct answer: Doubling of the chromosome number in every generation

The governing concept is chromosome-number maintenance during sexual reproduction. Gametes are formed with half the chromosome number, or a haploid set. During fertilisation, the sperm and egg fuse and their chromosome sets combine, restoring the diploid number. If both gametes carried the full number, the chromosome number would double in every generation. Thus A is correct; the other options are unrelated biological claims.

Related tags

GametesChromosome NumberFertilisationHeredity And EvolutionWorld Of LivingScienceClass 10 Mcq

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