#Question id: 6962
#5. Developmental Biology
In which way is the organizer region of the sea urchin similar to that in frogs?
#Question id: 6963
#5. Developmental Biology
During early sea urchin development, which embryonic cells have similar organizer activity to that of amphibian Spemann organizer?
#Question id: 6964
#5. Developmental Biology
If embryos are disaggregated with chemicals or proteases, and the individual cells are mixed together in culture, what will happen?
#Question id: 6965
#5. Developmental Biology
what type of cleavage is used in frog embryos?
#Question id: 6968
#5. Developmental Biology
In Xenopus, the mesoderm moves in through the blastopore by rolling around the dorsal lip in a process called:
#Question id: 6969
#5. Developmental Biology
In Xenopus, the elongation of the mesoderm toward the anterior results from the intercalation of cells during a process called: