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?

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away

An Intiative by Sri Chaitanya

answer is C.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

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.

JEE

NEET

Foundation JEE

Foundation NEET

CBSE