Would You Expect Gene Duplication,such as Seen in the Hox

Multiple Choice

Would you expect gene duplication,such as seen in the Hox gene,to lead to significant changes in evolution of traits?

A) No,because a duplicated gene would most likely carry a deleterious mutation.
B) No,because a duplicated gene would be identical to the original gene and perform the original function.
C) Yes,because one gene would perform a specific function,but duplicated copies could perform new functions.
D) Yes,because the Hox gene controls all traits.