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2016-04-16T01:02:59+05:30
Male produces 2 types of gametes, 50% of sperm carrying X- chromosomes, while other Y chromosomes. Female produces only one type of gametes, each carrying X chromosome. After fusion of gametes, zygote would carry either XX or XY depending on the fused male gamete. Zygote carrying XX will bcom girl & zygote carrying XY will become boy. Thus, the gender is a kid is not determined by mother, but by father
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