Is a zygote a two-celled embryo, a solid ball of about 50 cells, a blastocyst, or a fertilized egg?
1 Answer
Mar 9, 2016
freshly fertilised egg
Explanation:
Zygote is a cell formed between the male sex cell(sperm) and the female sex cell(ovum). Then the zygote develops into the embryo following the instructions of DNA