Q.

The zygote has an X-chromosome inherited from the father, it will develop into which of the following?

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a

Either boy or girl

b

Girl

c

Boy

d

X- chromosome never decides the sex of a child

answer is D.

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Detailed Solution

The genetic makeup of a woman is XX, whereas that of a man is XY.
Therefore, if the X chromosome is received from the father during zygote development, a female zygote will develop.

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