The haploid condition is found in

Complete the analogy with respect to the structure of sperm:
Nebenkern: '$X$' :: Acrosome is formed from: '$Y$'

What are the cells of the germinal epithelium that differentiate into spermatozoa called?

If two primary spermatocytes and two primary oocytes undergo meiosis simultaneously,what will be the ratio of spermatozoa and ova produced at the end of the gametogenesis?

Female gametes are also called

Formation of oogonia in human females is completed in . . . . . . .