Pea Shape Is Controlled by a Gene That Specifies an Enzyme

Multiple Choice

Pea shape is controlled by a gene that specifies an enzyme known as Sbe1 (for Starch-branching enzyme 1) .A recessive allele of Sbe1 likely encodes

A) an Sbe1 enzyme with reduced function.
B) an Sbe1 enzyme with a new function.
C) a different type of enzyme.
D) an Sbe1 enzyme with enhanced catalytic activity.