Which of the following events takes place at the onset of puberty to start sexual maturation?
A) LH and FSH are released from the gonads.
B) Estradiol and testosterone are released by the gonads.
C) The pituitary secretes gonadotropin-releasing hormones.
D) The ovaries and testes release gonadotropic hormones.
E) Sexual maturation is not a hormonally dependent process.
Answer: B
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