During reproduction, the chromosome number (2n) reduces to half (n) in the gametes and again the original number (2n) is restored in the offspring, What are the processes through which these events take place?
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Gametogenesis involves meiosis which results in haploid number of chromosomes in daughter cells. Thus, chromosome number is half (n) in gametes. Fertilisation is the step in which the chromosome number becomes diploid (2n) because of fusion of male and female gametes.
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