Quiz
Developmental Lecture 8 onwards
Questions in this quiz (12)
1A morphogen:
- AIs not expressed from a localised source in the embryo
- BDoes not form a concentration gradient
- CIs not a signalling molecule
- DSpecifies cell fates according to its concentration
2Bicoid mRNA is tightly localised to the posterior end of the egg.
- ATrue
- BFalse
3Which of the following is not an example of induction?
- AXenopus animal cap assay
- BHomologous recombination
- CAnchor cell signalling to vulval precursors in the C.elegans embryo
4In mosaic development, isolated cells are able to develop without external signalling.
- ATrue
- BFalse
5Somites give rise to which of the following...? (Multiple answers)
- ANeural tube
- BSkeletal muscle
- CNotocord
- DDermis
- EGlia
6MyoD is sufficient to direct muscle development when transfected into non-muscle cells
- ATrue
- BFalse
7Reverse genetics uses the mutant phenotype as a starting point
- ATrue
- BFalse
8Which of the following are gain of function mutations...?
- AAmorph
- BAntimorph
- CNeomorph
- DHypomorph
- EHypermorph
9Kit and Steel are in the same gene
- ATrue
- BFalse
10Which of the following is the ligand-receptor pair Kit and Steel responsible for the normal development of...? (Multiple answers)
- AMelanoblasts
- BKeratinocytes
- CGerm cells
- DFibrocytes
- EMegakaryocytes
- FHaematopoietic stem cells
11Which one of the following is the correct Hh pathway sequence?
- AHh ---| Ptc ---| Smo --> Ci ---> wg
- BHh ---| Smo --> Ptc --> Ci ---| wg
- Cwg ---> Ci ---> Ptc ---| Smo ---| Hh
- Dwg ---| Smo ---| Ptc ---> Ci ---> Hh
12Barchyury codes for a transcription factor responsible for the development of which germ layer?
- AMesoderm
- BEctoderm
- CEndoderm
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