how is gender of a baby determined
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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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How Is gender of a baby determined
- Each Cell carries 23 pairs of Chromosomes, 22 Autosomes and a pair of Sex Chromosomes namely XX in Females and XY in males.
- Gametes formed in the reproductive organs have half the number of Chromosomes.
- All the ovum would have X as their sex chromosomes, while the sperms would have either X OR Y as their sex chromosome.
- If X bearing sperm fertilizes a X bearing ovum the gender of the child would be female.
- If Y bearing sperm fertilizes a X bearing ovum the gender of the child would be a male.
HENCE IT IS THE MALE GAMETE THAT DECIDES THE SEX OF THE CHILD...
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