Development topics
How to create zygote?
Natural
Biotechnology technique
Dolly the sheep
Zygote—Morlula ---Blastulation--Blastula/blastocyst
-- -> Gastrulation--gastrula with 3 germ layers
-- -> Neurulation - Nervous system
Identical and non identical twin
Placenta functions
Maternal artery & vein
Fetal/umbilical artery & vein