Define spermatogenesis and oogenesis.

In spermatogenesis

Differentiable between spermatogenesis and oogenesis.

Differentiate between spermatogenesis and oogenesis.

State any two differences between spermatogenesis and oogenesis.

(a) Describe the events of spermatogenesis with the help of a schematic representation. (b) Write two differences between spermatogenesis and oogenesis.

The process of spermatogenesis and oogenesis in most vertebrates are under the influence of which hormone ?

Write two differences between spermtogenesis and oogenesis

Spermatogenesis involves

(a) Name the hormone that initiates spermatogenesis in humans. Describe the process of spermatogenesis in spermatogenesis in sequence mentioning the ploidy of the cells at each step. (b) Draw the diagram of a mature human sperm and label the parts that : (i) helps it reaching to the ovum . (ii) providing energy for it to reach the ovum. (iii) helping it to gain entry into the ovum.

(a) Explain the process of spermatogenesis in humans.