POPULATION STUDIES IN PREDOMINANTLY SELF-POLLINATED SPECIES, I. EVIDENCE FOR HETEROZYGOTE ADVANTAGE IN A CLOSED POPULATION OF BARLEY
- 1 October 1960
- journal article
- research article
- Published by Proceedings of the National Academy of Sciences in Proceedings of the National Academy of Sciences
- Vol. 46 (10) , 1371-1377
- https://doi.org/10.1073/pnas.46.10.1371
Abstract
Analysis of a barley population in terms of changes in genotypic frequencies occurring over 18 generations, under a mating system involving predominant self-fertilization, indicated that decay in heterozygosity was slower at several marker loci than expected for the observed amount of outcrossing. These results were explained on the basis of heterozygote advantage associated with segments of chromosomes. It was postulated that heterozygote advantage may have important adaptive implications in the maintenance of population variability, and hence in the evolutionary potential of self-fertilizing species.This publication has 7 references indexed in Scilit:
- THE BREAKUP OF INITIAL LINKAGE BLOCKS UNDER SELECTED MATING SYSTEMSGenetics, 1959
- Self Fertilization and Population Variability in the Higher PlantsThe American Naturalist, 1957
- Modes of SelectionThe American Naturalist, 1956
- A REVIEW OF SOME FUNDAMENTAL CONCEPTS AND PROBLEMS OF POPULATION GENETICSCold Spring Harbor Symposia on Quantitative Biology, 1955
- Mixed selfing and random mating when homozygotes are at a disadvantageHeredity, 1953
- POLYGENIC INHERITANCE and NATURAL SELECTIONBiological Reviews, 1943