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Genes for Embryogen
FA Repro
Question | Answer |
---|---|
produced at base of the limbs in zone of polarizing activity | Sonic Hedgehog gene |
patterning along anterior posterior axis | Sonic Hedgehog gene |
CNS development | Sonic Hedgehog gene |
Mutation can cause holoprosencephaly | Sonic Hedgehog gene |
Produced at apical ectodermal ridge | WNT-7 and FGF gene |
necessary for proper organization along dorsal-ventral axis | Wnt7 |
stimulates mitosis of underlying mesoderm providing limb lengthening | FGF |
segmental organization of embryo in craniocaudal direction | Hox |
codefor transcription factors | Hox |
mutation: appendages at wrong location | Hox |