CBSE
Gujarat Board
Haryana Board
Class 10
Class 12
What are hormones?
Hormones are the chemical substances secreted by endocrine glands.
Which hormone is secreted by ovaries?
Estrogen.
What type of chromosomes occur in egg (female gamete)?
The egg always has one X chromosome.
Give any one secondary sexual character of girls.
Growth of breasts is the secondary sexual character of females.
What are the chromosomes in female and male?
A female has two X chromosomes thus it has XX chromosome composition, while a male has one X and one Y chromosomes making it XY composition