We 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 typeJournal ArticleDOI10.1093/genetics/39.1.77