Question

Q1 How is sex determined in human beings?

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Answer 1

Answer:

here is ur answer mate

Explanation:

Chromosomal sex 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 sex refers to the gonads, that is the testis or ovaries, depending on which genes are expressed.

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Answer 2

The females carry two X-chromosomes. Females produce one type of gametes (eggs) with same type of chromosomes (22 + X). ... Among the male gametes, half of the sperms carry X-chromosome (22 + X) and half carry Y-chromosome (22 + Y). Thus female is homogametic and male is heterogametic.