#Question id: 7141
#Unit 5. Developmental Biology
Engrailed comes to be expressed in posterior compartments during Drosophila embryogenesis; what is the consequence of engrailed activation of hedgehog (Hh) signaling from the posterior compartment of the wing disc?
#Question id: 7142
#Unit 5. Developmental Biology
Keeping in mind the fact that genes are often named for the phenotype of a mutation in that gene, what might be the phenotype of a mutation of the Distal-less gene of Drosophila?
#Question id: 7143
#Unit 5. Developmental Biology
The development of drugs to block the activity of vascular endothelial growth factor (VEGF) has been applied to the control of the growth of cancers. What is the rationale for such a strategy?
#Question id: 7144
#Unit 5. Developmental Biology
Heart development begins as
#Question id: 7145
#Unit 5. Developmental Biology
In the development of the nervous system, which is the correct order of events?
#Question id: 7146
#Unit 5. Developmental Biology
In Drosophila, the neuroectoderm is located ventrally during gastrulation, while in mice or frogs, the neuroectoderm is located dorsally. Which statement best describes how the two systems are similar or different?