Mapping Subject is a job that involves studying the genetic makeup of organisms. It involves researching and analyzing the genes and genomes of different species. The term Mapping Subject can be broken down into two parts: GENE (4 letters) and Genome (6 letters). GENE refers to the basic unit of heredity, while Genome is the complete set of genetic material in an organism. Together, these two terms form the basis of Mapping Subject, which is the study of the genetic makeup of organisms.