Question

Explain how equal genetic contribution of male and female parents is ensured in the progeny.(Delhi - 2011)

Answer 1

Answer:

Equal genetic contribution of male and female parents in the progeny isensured by the equal inheritance of chromosome from each parent. Females have 2 X chromosomes andmales have a X and Y chromosome. During the process of fertilization, a haploid sperm fuses with a haploid ovum to produce a diploid zygote.

Answer 2

Equal genetic contribution of male and female parents in the progeny is ensured by the equal inheritance of chromosome from each parent. ... Females have 2 X chromosomes and males have a X and Y chromosome. During the process of fertilization, a haploid sperm fuses with a haploid ovum to produce a diploid zygote...

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