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(Solved): What is the predicted function of the Duffy gene?Cell Adhesion MoleculeRNA Polymerase IIMicrofilamen ...



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  1. What is the predicted function of the Duffy gene?
  • Cell Adhesion Molecule
  • RNA Polymerase II
  • Microfilament
  • Transcription Factor
  • Chemokine Receptor

2. How does the GA(T>C)A mutation in the Duffy promoter provide malaria resistance?

  • Plasmodium vivax can't bind to Endothelial cells
  • Plasmodium vivax can't bind to Blood Cells
  • Duffy has not effect on malarial resistance
  • Reduced Duffy expression is toxic to malarial parasite Plasmodium vivax

3. How does the GA(T>C)A mutation in the Duffy promoter impact Duffy transcription?

  • The transcription factor that binds the GATA enhance doesn't bind GACA.
  • GACA enhancer does not release the transcription factor
  • The mutation from T > C blocks Duffy mRNA splicing.
  • The mutation from T > C inhibits Duffy mRNA binding to ribosomes

4. The GA(T>C)A mutation in the Duffy promoter impacted expression of Duffy in the following cell types...

  • Blood cells
  • Purkinje, Endolthelial, and Blood cells
  • Endothelial cells
  • Purkinje cells

5. Based on your genetics background, what does GA(T>C)A mutation in the Duffy promoter alter?

  • restriction endonuclease site
  • phosphorylation site
  • transcription factor or enhancer binding site


Malaria Resistance and the Duffy Antigen of population with Duffy negative RBCs Howes et al., 2011, Nature Communications The Duffy protein is a chemokine receptor expressed on many different types of cells. It is also a receptor for Plasmodium vivax, one of the parasites that invade red blood cells (RBCs) and cause malaria. In parts of Africa, geneticists found that of the population have Duffy negative RBCs - this confers resistance to malaria in these people. A mutation in the Duffy gene enhancer region was found in the malaria resistant populations.


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What is the predicted function of the Duffy gene?
Cell Adhesion Molecule
RNA Polymerase II
Microfilamen...
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