KEY TERMS

genome

genomics

contig

sequence tagged site (STS)

expressed sequence tag (EST)

whole-genome shotgun sequencing

genome annotation

homolog

ortholog

paralog

synteny

metagenomics

intron (intervening sequence)

exon

simple-sequence repeat (SSR)

single nucleotide polymorphism (SNP)

haplotype

outgroup

linkage analysis

systems biology

transcriptome

transcriptomics

proteome

proteomics

last universal common ancestor (LUCA)

phylogeny

phylogenetics

taxa

horizontal gene transfer

allopatric speciation