The relationship between allozyme and morphometric variation in pink salmon Oncorhynchus gorbuscha from Southern Sakhalin

The relationship between allozyme and morphometric variation in pink salmon Oncorhynchus... The relationship between allozyme polymorphism and morphometric variation in pink salmon from Southern Sakhalin was examined in order to determine the effects of individual genes. Dramatic differences were found between individuals of some genotypes. For instance, the difference in average male body length between the two prevailing PGDH * genotypes reached 0.36σ, which corresponds to 5% contribution to the total variance of the trait. It would take only several generations for selection in favor of extreme phenotypes to rapidly shift the allele frequencies at loci of such a strong effect, which should be taken into account both in fishery management and in practical hatchery. Long-term selection can result in irreversible genetic changes in the population, which may be hazardous in the context of causing irreparable harm to the biological resources of the Earth. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

The relationship between allozyme and morphometric variation in pink salmon Oncorhynchus gorbuscha from Southern Sakhalin

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Publisher
Nauka/Interperiodica
Copyright
Copyright © 2007 by Pleiades Publishing, Inc.
Subject
Biomedicine; Human Genetics; Animal Genetics and Genomics; Microbial Genetics and Genomics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1134/S1022795407030076
Publisher site
See Article on Publisher Site

Abstract

The relationship between allozyme polymorphism and morphometric variation in pink salmon from Southern Sakhalin was examined in order to determine the effects of individual genes. Dramatic differences were found between individuals of some genotypes. For instance, the difference in average male body length between the two prevailing PGDH * genotypes reached 0.36σ, which corresponds to 5% contribution to the total variance of the trait. It would take only several generations for selection in favor of extreme phenotypes to rapidly shift the allele frequencies at loci of such a strong effect, which should be taken into account both in fishery management and in practical hatchery. Long-term selection can result in irreversible genetic changes in the population, which may be hazardous in the context of causing irreparable harm to the biological resources of the Earth.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Mar 20, 2007

References

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