title: Constant hybrids in Mendel's research.
abstract: The persisting controversial interpretation of constant hybrids and of the term Entwicklungsgeschichte, mentioned by Mendel in the Pisum paper, is elucidated in the context of his experiments with other plant species and of the growth of knowledge in scientific animal and plant breeding in Moravia.
authors.forename: V
authors.initials: V
authors.lastname: Orel
mesh_terms: D005823:Genetics / Q000266:history; D049672:History, 19th Century; D049673:History, 20th Century; D006824:Hybridization, Genetic; D010944:Plants / Q000235:genetics*