Respuesta :
All endothelial cells in embryos treated with a notch inhibitor would be venous. The Notch signaling pathway is a cell signaling system that primarily consists of four NOTCH genes, each of which contains the instructions needed to make a specific cell membrane receptor protein.
It has been shown that Notch signaling plays a significant role in vascular development in zebrafish embryos and that one of the main roles of these genes is to control the differentiation of the arterial fate in endothelial cells.
Endothelial cells would then be designated as venous if they were expected to create venous tissues as well as arterial ones.
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Your question is incomplete. Please find the complete question below.
If you treated embryos with a Notch inhibitor how would this affect the specification of venous and arterial endothelial cells?
a. no endothelial cells would be specified
b. all endothelial cells would be arterial
c. no effect, normal specification
d. all endothelial cells would be venous