The embryo is a result of a repeated division of cells after the formation of the zygote.
A zygote which has inherited an X chromosome from the father will develop into :
(a) baby boy (b) baby girl (c) adult (d) either boy or girl
Give two differences between a zygote, an embryo and a foetus.
Fertilisation results immediately in the formation of:
A. a zygote
B. an embryo
C. a placenta
D. a foetus