Lecture 6 Flashcards
1
Q
What are the two models for how a single molecule can convey positional information
A
French flag model
Reaction diffusion model
2
Q
Where is Shh first expressed
A
The notochord, then induced in the floroplate cells
3
Q
What do cells that expierence high concentrations of Shh become
A
Become specialised floorplate cells
4
Q
What expresses Shh
A
Notocord and floor plate cells
5
Q
What does Shh expressioin govern
A
Ventralisation along the entire rostro-caudal axis
