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  • The number of chromosomes in parents and offsprings of a particular species remains constant due to (a) doubling of chromosomes after zygote formation (b) halving of chromosomes during gamete formation (c) doubling of chromosomes after gamete formation

The number of chromosomes in parents and offsprings of a particular species remains constant due to
(a) doubling of chromosomes after zygote formation
(b) halving of chromosomes during gamete formation
(c) doubling of chromosomes after gamete formation
(d) halving of chromosomes after gamete formation

Answers (1)

Answer: B

Solution: The gametes are produced by the process of meiosis where the number of chromosome in each gamete is halved. At the time of fertilization, the zygote thus formed has a full set of chromosomes. Therefore, the number of chromosomes in parents and offsprings of a species remain constant.

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