Question

Zygote definition.......................

Answer 1

A zygote is a eukaryotic cell formed by a fertilization event between two gametes. The zygote's genome is a combination of the DNA in each gamete, and contains all of the genetic information necessary to form a new individual. In multicellular organisms, the zygote is the earliest developmental stage.

Answer 2

$\bf Zygote :$

When the sperm, or male gamete and the ovum, or female gamete fuse together, then the product or output of fertilization is called zygote.

$\bf Fertilisation :$

When there is a fusion in the male gamete and female gamete for the formation of zygote, this action or you may say process of fertilising an egg is termed as fertilization.

$\bf Types \: of \: Fertilisation :$

There are two types of fertilization ;

★ Internal Fertilization

★ External Fertilization