To Determine That a Gene in One Microbe Is an Ortholog

To determine that a gene in one microbe is an ortholog of a gene in a second microbe,its GC content should be: (Select all that apply)

A) Similar to that of the other gene
B) Distinct from that of the other gene
C) Distinct from that of the other microbe's SSU rRNA gene
D) Similar to that of the other microbe's SSU rRNA gene
E) None is a relevant choice