What is the number of chromosomes in a human sperm?

Which part of the spermatid forms the acrosome of the sperm?

Which hormone of the pituitary gland regulates the Sertoli cells?

Androgen binding protein,which helps in concentrating testosterone in the seminiferous tubule,and which inhibits $ICSH$ secreted by the anterior pituitary and $GnRH$ production by the hypothalamus,is secreted by:

What is yolk in an egg cell?

Draw a labeled diagram of a Graafian follicle.