A spontaneous dominant mutation known as ________ results in dwarfism.
A) toxoplasmosis
B) achondroplasia
C) bordetella
D) achlorhydria

Question

Quizplus · Accepted Answer

Achondroplasia is a genetic disorder whose hallmark is dwarfism. It is caused by a spontaneous mutation in the gene that codes for fibroblast growth factor receptor 3 (FGFR3), leading to an abnormality in the conversion of cartilage to bone, which is particularly evident in the long bones of the arms and legs.

A Spontaneous Dominant Mutation Known as ________ Results in Dwarfism