Question

Which of the following is the correct number of chromosomes based on the cell type?

(a) Sperm: 23; Egg: 23; Zygote: 23

(b) Sperm: 46; Egg: 46; Zygote: 46

(c) Sperm: 23; Egg: 23; Zygote: 46

(d) Sperm: 46; Egg: 46; Zygote: 23

The question was posed to me in homework.

I need to ask this question from Human Reproduction in section Human Reproduction of Biology – Class 12

Answer 1

Right answer is (c) Sperm: 23; Egg: 23; Zygote: 46

To elaborate: Sperm and egg are haploid cells hence have only one set of chromosomes. Zygote on the other hand is diploid thus has 46 chromosomes.