Draw a labelled diagram of a sectional view of human seminiferous tubule.

Question

Answer the following questions: 

(A). Draw a labelled diagram of a sectional view of human seminiferous tubule.

(B). Differentiate between gametogenesis in human males and females on the basis of:

(i) time of initiation of the process. 

(ii) products formed at the end of the process.

Answer 1

(A)

Diagrammatic sectional view of a seminiferous tubule (enlarged)Hormonal control of spermatogenesis

(B)

S. No.	Process of gametogenesis	Males	Females
(i)	Time of initiation of the process	Puberty	Embryonic development at foetal stage
(ii)	Products formed at the end of the process	Four spermatozoa are produced from one primary spermatocyte.	One ovum and two polar bodies are produced from one primary oocyte.