Question

write a short note on sex determination in the unborn baby

Answer 1

The sex of the unborn baby is determined by the sex chromosomes of the father. ... Therefore, if the sperm contributes X chromosome then the baby will be a female (XX) and if the sperm contributes the Y chromosome, the baby will be a male (XY).

Answer 2

Answer:

Sex determination in the unborn baby is based on XY sex-determination system.

Explanation:

• The individual with XX set of sex chromosomes would be female with the individual with XY would be male.
• The sex of the unborn baby depends on the sex chromosome carried by the sperm.
• During the process of fertilization, if the sperm carrying the X chromosome fuses with the egg (having X), the zygote produced would be female (XX).
• If the sperm carrying the Y chromosome fuses with the egg (having X chromosome), the zygote would be male (XY).