Refer to the Table Showing Several Prokaryote (Bacterial) Species (Labeled

Multiple Choice

Refer to the table showing several prokaryote (bacterial) species (labeled A-E) that have been sequenced, along with the findings of the genes they contain.(Note: "x" marks the species possessing a functional copy of the gene.) Gene 1 is essential for the synthesis of several amino acids.Gene 2 encodes a protein involved in strengthening the cell wall.Gene 3 produces an enzyme that breaks down methane.The functions of the other five genes are currently unknown. Species A and B are closely related, while the others are not.Which species pairs most likely exchanged genes?

A) Species A and C
B) Species A and E
C) Species B and D
D) Species C and D
E) Species D and E