CBSE
Gujarat Board
Haryana Board
Class 10
Class 12
What type of chromosomes occur in egg (female gamete)?
The egg always has one X chromosome.
Which hormone is secreted by ovaries?
Estrogen.
Give any one secondary sexual character of girls.
Growth of breasts is the secondary sexual character of females.
What are hormones?
Hormones are the chemical substances secreted by endocrine glands.
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