What name is given to the permanent stoppage of menstruation in women? At what age does this occur?

Which of the following are endocrine glands?

Salivary gland, Thyroid gland, Adrenal gland, Sweat gland, Pituitary gland, Sebaceous gland (Oil gland)

What name is given to the onset of menstruation in human females (or girls)? At what age does this occur?

Who is responsible for the sex of the unborn child: father or mother? Why?

What will be the sex of the child born:

(a) if X chromosome carrying sperm fuses with an egg cell carrying X chromosome?

(b) if Y chromosome carrying sperm fertilizes an ovum containing X chromosome?