How is *** of a child determined in human beings.

1.	How is *** of a child determined in human beings.
Answer» Chromosomal * is determined at the time of fertilization; a chromosome from the sperm cell, either X or Y, fuses with the X chromosome in the egg cell. Gonadal * refers to the gonads, that is the testis or ovaries, depending on which genes are expressed. Is it *** in the above line , this determine or depending on their sperms whether it is X and Y . If it is XY then it is boy and if it is XX then it is a girl.

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