Question

Difference between zygote and embryo?​

Answer 1

Answer:

An embryo is the early stage of human development in which organs are critical body structures are formed. An embryo is termed a fetus beginning in the 11th week of pregnancy, which is the 9th week of development after fertilization of the egg. A zygote is a single-celled organism resulting from a fertilized egg

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Blastocyst stage: After the formation of zygote, the zygote begins to divide into solid ball of cell. This ball of cell is hollow and is known as blastocyst which gets attached to the lining of the mother's uterus.

Answer 2

Answer:

Zygote :- the fertilized egg cell formed when the male and female gametes became union

Embryo :- the developed Zygote is called embryo

Bonus:- human heart start beeting after 21st day of embryo