In Comparing the Development of the Unwebbed Foot of the Chicken

Multiple Choice

In comparing the development of the unwebbed foot of the chicken and webbed foot of a duck

A) BMP4 is expressed in the foot of a chicken and gremlin in the foot of a duck.
B) BMP4 and gremlin are expressed in both chickens and ducks, but gremlin is expressed throughout . the duck leg and not expressed between the toes of chickens.
C) BMP4 is expressed in the foot of a duck and gremlin in the foot of a chicken.
D) BMP4 is expressed between the toes of a chicken and gremlin between the toes of a duck.
E) BMP4 is not expressed in the chicken but is in the duck.