Which of the following statements about oogenesis and spermatogenesis is correct?

• A. Follicle-stimulating hormone (FSH) promotes egg but not sperm development.
• B. Luteinizing hormone (LH) triggers ovulation in females but is not important in males.
• C. Gonadotropin-releasing hormone (GnRH) triggers the anterior pituitary to release FSH and LH in males but not females.
• D. Primary oocytes and primary spermatocytes follow a similar pattern of development through meiosis.
• E. The principal sex hormones in both males and females are steroid hormones.