Question

write short note on sex determination in the unborn baby​

Answer 1

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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).

Answer 2

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Explanation:

sex determination in the unborn baby in done by sex chromosomes .sex determination of developing embryo occurs at the time of fertilization. when a sperm containing x chromosomes fertilizes the eggg, the zygote would have xx chromosomes and develop into a female child. if the sperm contributes y chromosome to egg at fetilization, the zygote would havexy chromosome and develop into a male child. thus, the sex chromosome present in sperm or father determines the sex of unborn baby.