Question

how is an ovum different from a zygote?

Answer 1

Ovum is the reproductive cell/gamete of female...It is haploid
zygote is formed by the fusion of both female and male gametes...It is diploid ....

Hope this helps uh

Answer 2

$\huge{HEY!!}$
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⭕The ovum can be defined as the reproductive cell of female.

⭕The male reproductive cell is sperm.

⭕In reproduction process, male and female gametes which are ovum and sperm fuse with each other to form a new cell named zygote.

⭕The fusion of male and female gametes is known as fertilisation.

⭕Zygote then forms embryo and finally embryo forms a new organism.

⭕So, we can say that ovum is the initial state of zygote and after the fusion of sperm with it, our forms zygote.