Luteinising hormone $(LH)$ in females:

Do all the gametes formed from a parent organism have the same genetic composition (identical $DNA$ copies of the parental genome)? Analyse the situation with the background of gametogenesis and provide a suitable explanation.

In the testis,the immature germ cells produce sperm by $...A...$ at puberty. $...B...$ present on the inside wall of seminiferous tubules multiply by $...C...$ division and increase their number. Identify $A$,$B$,and $C$ from the above statement.

Draw a labeled diagram of a human sperm cell.

In humans,at the end of the first meiotic division,the male germ cells differentiate into the

Select the correct option of haploid cells from the following groups.