Question

How many spermatozoa and ova are formed from four secondary spermatocytes and three secondary oocytes respectively?

• A. 4 spermatozoa, 4 ova
• B. 8 spermatozoa, 3 ova
• C. 16 spermatozoa, 12 ova
• D. 3 spermatozoa, 8 ova

Answer 1

Answer: (B)

1 secondary spermatocyte $\stackrel{\text{ forms }}{⟶}2$ spermatozoa
$\therefore 4$ secondary spermatocytes $\stackrel{\text{ forms }}{⟶}8$ spermatozoa
1 secondary oocyte $\stackrel{\text{ forms }}{⟶}1$ ovum
$\therefore 3$ secondary oocytes $\stackrel{\text{ form }}{⟶}3$ ova