Which of the following is responsible for the webbed feet of ducks?
A) The lack of expression of the Gremlin gene in the webbing cells
B) The expression of the Gremlin gene in the webbing cells
C) An altered temporal expression pattern of the BMP4 gene in the webbing cells
D) An altered spatial expression pattern of the BMP4 gene in the webbing cells
E) The lack of expression of the BMP4 gene in the webbing cells

Question

Quizplus · Accepted Answer

The expression of the Gremlin gene in the webbing cells inhibits BMP signaling, which prevents cell death in the webbing, allowing the webbed feet to form.

Which of the Following Is Responsible for the Webbed Feet