Find more Cheat Sheet topics here.
What it is
Genomes and exomes are the -omes that usually get sequenced. Whole genome sequencing (WGS) covers exactly what it says: the whole genome, which, in people, consists of 3 billion chemical “letters” (nucleotides — those famous A’s, T’s, C’s, and G’s). Exons, which are the sections of DNA that actually produce proteins, make up about 1 percent of a human’s DNA sequence; they’re the only parts sequenced with whole exome sequencing (WES).