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Solution


Q.

Which of the following statements are true for spermatogenesis but do not hold true for oogenesis                                 [2022]
(A) It results in the formation of haploid gametes.
(B) Differentiation of gamete occurs after the completion of meiosis.
(C) Meiosis occurs continuously in a mitotically dividing stem cell population.
(D) It is controlled by the Luteinising Hormone (LH) and Follicle Stimulating Hormone (FSH) secreted by the anterior pituitary.
(E) It is initiated at puberty.

Choose the most appropriate answer from the options given below:
1 (A) and (E) only  
2 (B) and (C) only  
3 (B), (D) and (E) only  
4 (B), (C) and (E) only  

Ans.

(4)

In both, spermatogenesis and oogenesis haploid gametes are formed. The spermatids are transformed into spermatozoa (sperms) by the process called spermiogenesis occurs in process spermatogenesis only. Spermatogenesis and oogenesis both are controlled by LH and FSH secreted by the anterior pituitary. Spermatogenesis is a continuous process that begins at puberty. Oogenesis on the other hand begins during embryonic development of the female.