Results from the Study of Globin Variants Indicate That ____

Multiple Choice

Results from the study of globin variants indicate that ____.

A) all amino acid substitutions cause severe phenotypic effects
B) a change in a single nucleotide is sufficient to cause a genetic disorder
C) extended chains of phosphorus molecules function to carry oxygen
D) all of the changes in globin are due to changes in amino acid sequences
E) sickle cell anemia is not primarily an inherited disease