Inbreeding and heterosis

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Date
1959
Summary
Discusses the effect of various levels of inbreeding (self-fertilization, sib matings, half-sib matings, cousin marriages) upon making heterozygous genes homozygous with the consequent loss of vigor. Presents data for the increased risk of genetic defect from cousin marriage in studies of phenylketonuria, of a Japanese population and a French population. The concept and estimation of lethal equivalents are given.  Shows how increases in heterozygosity increase vigor (heterosis); hybrid vigor in corn in described in detail. Lecture given by Dr. J. F. Crow.
Publishers
University Film Producers Association; Indiana University Audio-Visual Center
Genre
Educational
Subject
Inbreeding
Collection
IUL Moving Image Archive
Unit
IUL Moving Image Archive
Language
English
Rights Statement
No Copyright - United States
Physical Description
1 Film (0:29:59); 16mm
Other Identifiers
IULMIA Film Database: 30000136649336; Other: GR00410450; MDPI Barcode: 40000003235456

Access Restrictions

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