Explain monozygotic and dizygotic twins?
Explain gastrulation?
To which structures do coeloms give birth? Are all animals coelomate?
What are the extra embryonic membranes present in vertebrates?
What is placenta? What are its functions?
What is yolk sac?
What organogenesis?
How notochord structure id formed?
What are the cells produced in the first stage of the embryonic development called?
Why can the allantois be considered an adaptation to terrestrial life?
Explain peritoneum?
Explain histogenesis?
Explain the difference between amnion and chorion?
How is the yolk sac formed?
What is gastrulation? How during gastrulation are the first two germ layers formed? Which are these germ layers?