Embryology

Question 1

define Leber’s syndrome and Leigh’s syndrome

Answer 1

Leber’s syndrome: optic neuropathy disease that causes blindness
Leigh’s syndrome: a more serious condition that is inherited from the mother’s mitochondrial DNA –> the child will not survive long enough to be born

Question 2

where does fertilization happen?

Answer 2

in the fallopian tube

Question 3

what kind of cells are the notochord and neural tube?

Answer 3

despite being in the mesoderm, these are ectoderm cells, and like other mesoderm cells they go and form the skin and parts of the NS