title: Q&A: epistasis.
authors.affiliation: Harvard Medical School, Department of Biological Chemistry and Molecular Pharmacology, 250 Longwood Avenue, Boston, MA 02115, USA.
authors.forename: Frederick P
authors.initials: FP
authors.lastname: Roth
authors.forename: Howard D
authors.initials: HD
authors.lastname: Lipshitz
authors.forename: Brenda J
authors.initials: BJ
authors.lastname: Andrews
mesh_terms: D000818:Animals; D001686:Biological Phenomena; D004843:Epistasis, Genetic / Q000235:genetics*; D005828:Genetics, Population; D009154:Mutation / Q000235:genetics; D010641:Phenotype