Which of the following statements are true of the development of egg and sperm? (Read carefully and select all of the correct statements.)

A)Both FSH and estrogen are necessary for the development of an ovum.
B)Both FSH and testosterone are necessary for the development of sperm.
C)Egg cells develop in the ovarian tubules.
D)Sperm develop in the testicular follicles.
E)LH contributes to sperm formation because it stimulates the secretion of testosterone
F)LH contributes to egg formation because it stimulates the secretion of estrogen.