An egg contains either X or Y chromosome and a sperm contains X chromosome.

True

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False

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Solution

The correct option is B False
A sperm either contributes an X or a Y chromosome. The female always contributes an X chromosome. Hence, if the sperm contributes X chromosome, the resulting offspring is a female and if it contributes Y chromosomes, the resulting offspring is a male.

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Similar questions

What will be the sex of the child born :

(a) if X chromosome carrying sperm fuses with an egg cell carrying X chromosome ?

(b) if Y chromosome carrying sperm fertilises an ovum containing X chromosome ?

An egg usually has X chromosome, but in some cases they contain Y chromosome.

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