Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleHeterosis and the Integration of the Genotype in Geographic Populations of Drosophila Pseudoobscura.AuthorsBrncic DPublicationGenetics, 1954, Vol 39, Issue 1, p77ISSN0016-6731Publication typearticleDOI10.1093/genetics/39.1.77