What are pericardium?
What is the function of the vitellus in the vertebrate egg?
How is the yolk sac formed? What is the function of the yolk sac?
Explain histogenesis?
What is coelom? Are all animals coelomate?
What is yolk sac?
What is the stage of the embryonic development in which these structures are formed?
What is the function of the vitellus in the vertebrate egg? How are these eggs classified according to the amount of vitellus within them?
Genetically what are the two types of twins that can be generated?
What are the archenteron and the blastopore? What is the stage of the embryonic development in which these structures are formed? What are the destinations of the archenteron and of the blastopore?
What are the functions of umbilical cord?
Explain organogenesis?
Explain animal pole?
How is the neural tube formed?
What is gastrulation? How during gastrulation are the first two germ layers formed? Which are these germ layers?