Which of the following best describes genomics? A. a mechanism used in DNA fingerprinting B. a sequence of mutant genes C. the study of cellular protein structures D. the study of genomes of organisms

A genome is the complete set of a organisms genes.

Genomics is a zone inside of hereditary qualities that concerns the sequencing and investigation of a life form's genome.

So it has to be D. The study of the genomes of organisms.