Question

a. How many spermatozoa are formed from one secondary spermatocyte?

b. Where does the first cleavage division of zygote take place?

Answer 1

a.

Number of spermatocytes formed from secondary spermatocyte

Secondary spermatocyte is the product of the first meiotic division of primary spermatocyte during spermatogenesis. Two spermatozoa are formed from one secondary spermatocyte by second meiotic division.

Final answer

Two

b.

Cleavage

Cleavage refers to the repeated mitotic division that occurs in the zygote resulting in an increasing number of cells (blastomeres).

The first cleavage occurs in the fallopian tube.

Final answer

Fallopian tube