Studies Find That a Bacterium of the Genus Buchnera Has

Multiple Choice

Studies find that a bacterium of the genus Buchnera has been living as a parasite of aphids for many millions of years. This bacterium lacks certain genes that are involved in the production of the cell wall found in other related bacteria. The field of biology in which such studies were carried out is called

A) metagenomics.
B) eukaryotic genomics.
C) proteomics.
D) comparative genomics.
E) haplotype mapping.