Sex determination system — task. Biology CBSE Live product, Class 10 (2025-26).

Select the correct answer:

1. Which of the following statement is correct?

The offspring sex is determined by the inheritance or transmission of sex chromosomes during gametic fusion.
The environment after birth decides whether the newborn will be male or female.
The mother’s ovum alone decides whether the child will be male or female.
The progeny's sex is determined by the inheritance or transmission of autosomes during gametic fusion.

2. ________ cell division occurs during gamete formation.

Did you find an error?

8. Sex determination system