Question

Human is the union of a human egg and sperm, usually occurring in the ampulla of the uterine tube. How many nuclei are present in each zygote?

• A. 1
• B. 2
• C. 3
• D. 4

Answer 1

The correct option is A

1

Sexual reproduction involves the fusion of specialized haploid sex cells (Sperm and ovum). The fusion of sperm and ovum (egg cell) is called fertilization. Fertilization results in the formation of a diploid zygote with single nuclei from which a new individual develops.