When a Gene Is Duplicated One or More Times,it Gives

Multiple Choice

When a gene is duplicated one or more times,it gives rise to a group of genes that may diverge by mutation,but their sequences will generally remain closely related and they will encode similar polypeptides.The proteins and genes produced in this way can be referred to as ________.

A) isotopes
B) isomers
C) isosceles
D) gene families
E) gene isoforms