Question

Which is true for zygote?

• A. Presence of urinary bladder
• B. Presence of rectum
• C. Long vas deferens
• D. Requirement of low temperature for spermatogenesis

Answer 1

The correct option is B

Presence of rectum

A zygote is a cell formed by the union of the ovum (i.e., egg cell) or the female gamete, and the sperm or the male gamete. It contains the DNA from both its parents. The zygote then multiplies and develops through the process of cell division to form the embryo. The zygote is the first stage of development of the fertilised cell. While it is common for animals to keep the zygote inside their bodies, many animals including birds and most reptiles lay eggs, where the zygote eventually develops. Pregnancy starts once the zygote forms, and ends when the mother gives birth to the baby.