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Why must gametes have half the usual chromosome number in sexual reproduction?

Answer and explanation

Correct answer: So the usual chromosome number is restored after fertilisation

The correct answer is A. Gametes are haploid, meaning they carry half the usual chromosome number. When two gametes fuse at fertilisation, their chromosomes combine and restore the usual number in the offspring.

Related tags

GametesChromosomesFertilisationReproductionWorld Of LivingScienceClass 10 Mcq

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