Why is the mother not to blame for the sex of a newborn?
Asked by Topperlearning User | 25th Oct, 2016, 04:29: PM
The sex of a newborn is determined by the sex chromosomes present in the cells. If the sex chromosomes are in the pair of XX, then the child will be a female. If the sex chromosomes are XY, then the child will be a male.
The gametes produced by the mother are always X, while those produced by the father is X and Y. If the sperm carrying the X chromosome fuses with the egg cell, the child will be a female and if the sperm carrying the Y chromosome fuses with the egg cell, the child will be a male. So, the father decides the sex of the newborn and not the mother.
Answered by | 25th Oct, 2016, 06:29: PM
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