Last seen: May 7, 2021
The period of development from childhood to women hood or manhood is the period of adolescence.
Twins are two babies from a mother taking birth at the same time.
No, in some sperms 23rd chromosomes may be an X- chromosome and in some it may be a Y chromosome.
Yes, all eggs carry X – chromosomes.
23 pairs, i.e., 46.
Menopause normally takes place between 45 to 50 years.
Menopause is the stoppage of menstruation in woman.
Puberty ends when an adolescent reaches reproductive maturity.
Pituitary gland.
Marriageable age for girls is 18 years and for boys is 21 years.
The first menstrual flow is known as menarche.
Endocrine or ductless glands.
The period of development from childhood to womanhood or manhood is the period of adolescence.
The age at which girls and boys attain reproductive maturity is known as puberty.