A zygote forms when a sperm penetrates the outer surface of an egg. This happens in the fallopian tube. While the zygote stage is very brief, lasting only the early days of conception, it is important. The single-celled zygote contains all of the genetic information required to form a fetus.

When is a zygote formed answer?

Ans: The zygote is formed after the fertilization event takes place where the male gamete which is the sperm fuses with the female gamete which is the ovum or the egg cell. Hence, the zygote consists of the genetic material of both the male and the female parent in the sexual mode of reproduction.

What week is the zygote formed?

Week 3: Fertilization

The sperm and egg unite in one of your fallopian tubes to form a one-celled entity called a zygote. If more than one egg is released and fertilized or if the fertilized egg splits into two, you might have multiple zygotes.