1. How many sperms and ova are produced from 50 primary spermatocyte and 50 primary oocyte respectively?
(100 sperms and 100 eggs, 200 sperms and 100 ova, 200 sperms and 50 ova, 50 sperms and 50 ova)
2. Observe the diagram carefully and identify a, b, c and d.