Pauling Used Gel Electrophoresis to Confirm That Homozygous Individuals Produce

Multiple Choice

Pauling used gel electrophoresis to confirm that homozygous individuals produce a single form of β-globin protein that differs depending on the homozygous genotype as well as that heterozygotes produce proteins of both types in approximately equal concentration.What characteristic(s) of the bands proved this?

A) the positions of the protein bands
B) the densitometry peaks of each band
C) the shape of each band
D) both the positions and the densitometry peaks of each band
E) both the shape and the position of each band