#Question id: 6967
#Unit 5. Developmental Biology
Gastrulation in sea urchins, Drosophila, and Xenopus all begin with a change in cell shape, in which the apical surface of an epithelial sheet contracts. This process is called:
#Question id: 6968
#Unit 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
#Unit 5. Developmental Biology
In Xenopus, the elongation of the mesoderm toward the anterior results from the intercalation of cells during a process called:
#Question id: 6970
#Unit 5. Developmental Biology
Neural crest cells will become:
#Question id: 6971
#Unit 5. Developmental Biology
Neural crest cells taking the dorso-lateral route will become:
#Question id: 6972
#Unit 5. Developmental Biology
Sodium ions influx and passive water movement result in fluid-filled blastocoel in __________embryos.