A Disadvantage of Using DNA or RNA Sequences to Identify

Multiple Choice

A disadvantage of using DNA or RNA sequences to identify species is that

A) it can only be used for sexually reproducing organisms.
B) it cannot be used for extinct species.
C) there is no rule for determining the number of sequence differences needed for a new species.
D) if can be misleading because many species exhibit large variation in phenotype.
E) species that do not interbreed in nature may be able to successfully breed in captivity.