{"id":{"repo_id":"mo-state","oai_identifier":"oai:bearworks.missouristate.edu:theses-1164"},"canonical_url":"https://search.dev.ndltd.org/etd/mo-state/oai:bearworks.missouristate.edu:theses-1164","repository":{"repo_id":"mo-state","name":"Missouri State University","base_url":"https://bearworks.missouristate.edu/do/oai/"},"display":{"title":"A Comparison of Genetic Differentiation and Gene Flow Among Populations of Two Species of Mice (Peromyscus)","abstract":"Electrophoretic and chromosomal variability within and among populations of Peromyscus attwateri and P. leucopus from four localities in southwest Missouri was examined. P. attwateri lives on isolated, rocky habitats that have been separated for at least 4000 years, whereas P. leucopus has a continuous distribution in the woodland habitats which surround these areas. No chromosomal variation was found in either species. Allozymic variability was lower in the isolated populations of P. attwateri than in the continuous populations of P. leucopus. Of the seventeen gene loci examined, seven polymorphic enzyme systems were found variable in P. attwateri and nine systems were found variable in P. leucopus. Results indicate that genetic similarities and differences among populations of P. attwateri are not affected by gene flow. Populations of P. leucopus tend to show genetic differences due more to isolation by distance.","abstract_html":"Electrophoretic and chromosomal variability within and among populations of Peromyscus attwateri and P. leucopus from four localities in southwest Missouri was examined. P. attwateri lives on isolated, rocky habitats that have been separated for at least 4000 years, whereas P. leucopus has a continuous distribution in the woodland habitats which surround these areas. No chromosomal variation was found in either species. Allozymic variability was lower in the isolated populations of P. attwateri than in the continuous populations of P. leucopus. Of the seventeen gene loci examined, seven polymorphic enzyme systems were found variable in P. attwateri and nine systems were found variable in P. leucopus. Results indicate that genetic similarities and differences among populations of P. attwateri are not affected by gene flow. Populations of P. leucopus tend to show genetic differences due more to isolation by distance.","abstract_has_math":false,"creators":["Schnake, Janice Elaine"],"institution":null,"degree_name":"Master of Science in Biology","degree_level":"Masters","degree_discipline":"Biology","degree_department":null,"school":null,"contributors":["Lynn Robbins"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1987,"date_issued":"1987-07-01T07:00:00Z","date_published":"1987-07-01T07:00:00Z","updated_at":"2026-07-24T03:15:12Z","subjects":["Biology"],"languages":[],"rights":["© Janice Elaine Schnake"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://bearworks.missouristate.edu/theses/163","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Lynn Robbins"]},{"key":"dc:creator","label":"Author","values":["Schnake, Janice Elaine"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"thesis:degree_discipline","label":"Discipline","values":["Biology"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Masters"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Master of Science in Biology"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Biology"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:rights","label":"Dc Rights","values":["© Janice Elaine Schnake"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://bearworks.missouristate.edu/theses/163"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["Electrophoretic and chromosomal variability within and among populations of Peromyscus attwateri and P. leucopus from four localities in southwest Missouri was examined. P. attwateri lives on isolated, rocky habitats that have been separated for at least 4000 years, whereas P. leucopus has a continuous distribution in the woodland habitats which surround these areas. No chromosomal variation was found in either species. Allozymic variability was lower in the isolated populations of P. attwateri than in the continuous populations of P. leucopus. Of the seventeen gene loci examined, seven polymorphic enzyme systems were found variable in P. attwateri and nine systems were found variable in P. leucopus. Results indicate that genetic similarities and differences among populations of P. attwateri are not affected by gene flow. Populations of P. leucopus tend to show genetic differences due more to isolation by distance."]},{"key":"dc:title","label":"Title","values":["A Comparison of Genetic Differentiation and Gene Flow Among Populations of Two Species of Mice (Peromyscus)"]}]}],"canonical_facts":{"dc:contributor":["Lynn Robbins"],"dc:creator":["Schnake, Janice Elaine"],"dc:description.abstract":["Electrophoretic and chromosomal variability within and among populations of Peromyscus attwateri and P. leucopus from four localities in southwest Missouri was examined. P. attwateri lives on isolated, rocky habitats that have been separated for at least 4000 years, whereas P. leucopus has a continuous distribution in the woodland habitats which surround these areas. No chromosomal variation was found in either species. Allozymic variability was lower in the isolated populations of P. attwateri than in the continuous populations of P. leucopus. Of the seventeen gene loci examined, seven polymorphic enzyme systems were found variable in P. attwateri and nine systems were found variable in P. leucopus. Results indicate that genetic similarities and differences among populations of P. attwateri are not affected by gene flow. Populations of P. leucopus tend to show genetic differences due more to isolation by distance."],"dc:identifier":["https://bearworks.missouristate.edu/theses/163"],"dc:rights":["© Janice Elaine Schnake"],"dc:subject":["Biology"],"dc:title":["A Comparison of Genetic Differentiation and Gene Flow Among Populations of Two Species of Mice (Peromyscus)"],"thesis:degree_discipline":["Biology"],"thesis:degree_level":["Masters"],"thesis:degree_name":["Master of Science in Biology"]},"updated_at":"2026-07-24T03:15:12Z"}