Question

3. Discuss how the sex of the unborn child gets determined in human beings,
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Answer 1

Answer:

Sex of child in humans is determined by the type of male haploid gamete that fuses with the female egg. The chromosome in the 23rd pair of a male gamete can be either X or Y. The female egg always has an X chromosome. So if the male gamete with the X chromosome fuses with the female egg, the child will be female.

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Answer 2

Answer:

With the help of chromosomes....

Explanation:

Both the male and female has 2 chromosomes each. In male, the chromosomes are 'x' and 'y'. In female, both the chromosomes are 'x'. When the fusion of 'x' and 'y' chromosomes is done in a female body, then the sex of the unborn baby is determined as male. If the fusion of 'x' and 'x' chromosomes is done in a female body, the the sex of an unborn baby is determined as female.

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