Subjects
Science CBSE Homework Assignments
Class 10
Heredity
Sex determination

1. Sex determination

Question:

3 m.

Choose the correct answer:

1. The genotype of a boy having sexual characters of a girl is (DPMT 1985)

XYY
XXX
X0
XXY

2. Male child will be born if (CPMT 1995)

Father is sexually more excited
Sperm of male with Y chromosome fertilizes the egg
Sperm of male with X chromosome fertilizes the egg
None of the above

3. Determination of sex of a child depends upon (CPMT 1980)

Nature of egg
Health of mother
Nature of sperm
Age of mother

Login or Fast registration

Exit to the topic

Did you find an error?

Copyright © 2025 YaClass Tech Private Limited Contacts Terms and Conditions Privacy Policy