What are the four initial stages of the embryonic development?

5

Explain organogenesis?

1

Nmae extra embryonic membranes layers in vertebrates?

1

What are twins? Genetically what are the two types of twins that can be generated?

5

What are extra embryonic membranes? Name these layers in vertebrates?

1

How is the notochord structure formed?

1

Explain the morphology of an embryo from ventral to dorsal portion after neural stage?

1

What is coelom?

1

Are the extra embryonic membranes the same in all vertebrates?

5

Name the three types of germ layers that form tissues and organs in animals?

1

What are the endocrine functions of the placenta?

5

What are the animal pole and the vegetal pole of the vertebrate egg?

5

To which structures do coeloms give birth?

1

How does the embryo turn from gastrula into neurula?

1

After the morula stage what is the next stage?

1