How Did the Researchers Alter the Colors of M

Multiple Choice

How did the researchers alter the colors of M.lewisii and M cardinalis?

A) By looking for naturally occurring color variants of M. lewisii and M cardinalis in the wild
B) By creating transgenic flowers with the desired color
C) By deleting the YUP locus
D) By duplicating the YUP locus
E) By mating M. lewisii and M cardinalis and then crossing the hybrids to select for the desired color