title: Evolution. Stable heterozygosity?
authors.affiliation: Department of Molecular and Cellular Biology, Harvard University, Cambridge, MA 02138, USA. msm@wjh.harvard.edu
authors.forename: Matthew
authors.initials: M
authors.lastname: Meselson
authors.forename: David
authors.initials: D
authors.lastname: Mark Welch
mesh_terms: D000483:Alleles; D000818:Animals; D005075:Biological Evolution; D002875:Chromosomes / Q000235:genetics; D017238:Genes, Helminth; D006579:Heterozygote; D012100:Reproduction, Asexual; D012403:Rotifera / Q000235:genetics* / Q000502:physiology*