#Question id: 6960
#Unit 5. Developmental Biology
At the blastocyst stage during mammalian embryonic development, the specification of trophectoderm requires ________; whereas in inner cell mass _________activation is essential.
#Question id: 6961
#Unit 5. Developmental Biology
Do HOX genes play a role in the development of C. elegans?
#Question id: 6962
#Unit 5. Developmental Biology
In which way is the organizer region of the sea urchin similar to that in frogs?
#Question id: 6963
#Unit 5. Developmental Biology
During early sea urchin development, which embryonic cells have similar organizer activity to that of amphibian Spemann organizer?
#Question id: 6964
#Unit 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
#Unit 5. Developmental Biology
what type of cleavage is used in frog embryos?