Define polyembryony?
What are the four initial stages of the embryonic development?
Explain monozygotic and dizygotic twins?
What are the endocrine functions of the placenta?
Are all animals coelomate?
What is the function of the yolk sac?
Which is the extra embryonic membrane whose function is to store nitrogen wastes of the embryo?
Explain histogenesis?
What is the function of the umbilical cord?
How is the yolk sac formed?
What organogenesis?
Explain gastrulation? What stage follows gastrulation?
What is the function of the vitellus in the vertebrate egg? How are these eggs classified according to the amount of vitellus within them?
What is the cell division during the first stage of the embryonic development called?
Where do liver and pancreas originate from?