Read the following statements.
A. Ovum bears X chromosome besides autosomes.
B. All sperm bear X chromosome.
C. Ovum fertilised by sperm having X chromosome, becomes male.
D. Ovum fertilised by sperm that does not have an X chromosome, becomes female.
How many of the above statements are correct about XO method of sex determination?

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answer is C.

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Detailed Solution

In XO method, ovum fertilised by sperm having ‘X’ chromosome becomes male.

The type of sex determination in which all ova bear two X chromosome besides autosomes is XX type.

In XO method of sex determination, only 50% of the sperm bear ‘X’ chromosomes.

In XO method, ovum fertilised by sperm that do not have an ‘X’ chromosome, becomes male.

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