Organizers Flashcards
Organizer that induces dorsal polarity…
Spemann’s organizer
Spemann’s organizer: the morphogen is…
chordin protein (toolkit gene & signaling protein)
Spemann’s organizer: location it acts during development is…
dorsal lip of the blastopore
Spemann’s organizer: induces…
dorsal polarity
Organizer that induces forelimb…
AER (apical ectoderm ridge)
AER: the morphogen is…
fgf-8 protein
AER: location it acts during development…
Hox 5/6 boundary
AER: induces…
arm below elbow (forelimb)
Organizer that induces fingers (not the thumb)…
ZPA (zone of polarizing activity)
ZPA: the morphogen is…
sonic hedgehog protein
ZPA: location it acts during development…
hand (pinky side)
ZPA: induces…
fingers (not the thumb)
The morphogen is always…
a protein
From the name alone, how can you tell if it is a gene?
genes are always uppercase (example: Sonic Hedgehog)
From the name alone, how can you tell if it is a protein?
proteins are always lowercase (example: sonic hedgehog)
