In humans, what is the ratio of number of gametes produced from one male primary sex cell to the number of gametes produced from one female primary sex cell ?

Question

In humans, what is the ratio of number of gametes produced from one male primary sex cell to the number of gametes produced from one female primary sex cell ? (A) 1: 3 (B) 4: 1 (C) 1: 1 (D) 1: 4

Tardigrade Admin · Accepted Answer

From a diploid, primary spermatocyte, four haploid spermatozoa are produced through meiosis. While, from a diploid primary oocyte, only one haploid ovum is formed, rest are polar bodies. Hence, the ratio between male gametes and female gametes produced from respective primary sex cells is 4: 1.

Q. In humans, what is the ratio of number of gametes produced from one male primary sex cell to the number of gametes produced from one female primary sex cell ?

1 : 3

4 : 1

1 : 1

1 : 4

From a diploid, primary spermatocyte, four haploid spermatozoa are produced through meiosis. While, from a diploid primary oocyte, only one haploid ovum is formed, rest are polar bodies. Hence, the ratio between male gametes and female gametes produced from respective primary sex cells is 4 : 1.