- Home
- Standard 12
- Biology
4.Principles of Inheritance and Variation
medium
The formation of a male child depends on the sperms because
A
Sperms may be $X$ and $Y$
B
Sperms are all $Y$
C
The eggs from the other ovary may be $Y$
D
Sperms are more active
Solution
(a) Sex is determined at fertilization by the nature of the sperm that fertilizes the egg.
$Y$-bearing sperms produce male child and $X$-bearing sperms produce female child.
Standard 12
Biology
