Science, asked by pihu335246, 11 months ago

sex determination in an unborn baby ​

Answers

Answered by yadavtejas133
22

Explanation:

Sex determination in the unborn baby. The sex of the unborn baby is determined by the sex chromosomes of the father. ... 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).

Answered by jasminethakurjasmine
4

Explanation:

The egg always contributes an X chromosome, and the sperm can contribute either an X or a Y chromosome, depending on the sperm cell. The sex of the baby is determined by the sperm cell that fertilizes the egg first. If the sperm is carrying an X chromosome, the baby will be a girl.

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