Question

difference between embryo ,Foetus,and fzygote

Answer 1

A zygote is a single-celled fertilized egg. ... Embryo- As the zygote begins to divide it progresses to embryonicstage, in humans it is usually called as embryo betweenfertilization till 8th week of development. Fetus- From 9th week until birth the developing embryo is called as fetus.