閑 加了uu
了 5 First
Vegetal se 謹計計
hemisphere | Gray
Vegetal pole crescent
(b) Establishing the axes 62
Resfrycfg Deve/oprer)fa/ Pofe7)f7a/
# Totipotent: can develop into all cell types, ex zygote
Experiment
Controlegg Experimental egg
idorsal vie (side view)
( V喲conto group @Experimental
group Gray
Gray crescent
crescent | |
人 全
Results # N / \
二一了” [cby 說:柬一
Normal Belly piece。。 Normal 9
Cell Fate Determination and Pattern Formation
by Inductive Signals
7e Spemann's organizer :
dorsal lip
Experiment |Results Dorsaliip from albino gastrula