Question

Sex determination in the unborn baby ​

Answer 1

Answer:

halobuddy

Explanation:

Sex determination in the unborn baby.

The sex of the unborn baby is determined by the sex chromosomes of the father. An egg has two X chromosome while a sperm has a X and a Y chromosome. An egg will always have an X chromosome. 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). So it is the father, who is responsible for the sex of the baby.

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Answer 2

Answer:

if it's XX means it's a girl

it's a xy IRS a boy