Genetic variation in constant environments

E. Nevo

doi:10.1007/BF02003729

Genetic variation in constant environments

E. Nevo

Department of Evolutionary and Environmental Biology

Research output: Contribution to journal › Article › peer-review

Abstract

Allozymic variation in proteins encoded by 32 gene loci was analyzed electrophoretically in 64 specimens from 6 localities representing 2 species of the spadefoot toads Pelobates syriacus and P. cultripes from Israel and Portugal, respectively. Out of the 32 loci examined, Esterase-1 was the only locus that proved strongly polymorphic in all 6 localities and in the 2 species. The pattern of genetic variation in Pelobates is best explained by the environmental variability model. Selection for homozygosity as an adaptive strategy seems to operate in the relatively constant and narrow subterranean niche.

Original language	English
Pages (from-to)	858-859
Number of pages	2
Journal	Experientia
Volume	32
Issue number	7
DOIs	https://doi.org/10.1007/BF02003729
State	Published - Jul 1976

ASJC Scopus subject areas

General Biochemistry, Genetics and Molecular Biology

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10.1007/BF02003729

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title = "Genetic variation in constant environments",

abstract = "Allozymic variation in proteins encoded by 32 gene loci was analyzed electrophoretically in 64 specimens from 6 localities representing 2 species of the spadefoot toads Pelobates syriacus and P. cultripes from Israel and Portugal, respectively. Out of the 32 loci examined, Esterase-1 was the only locus that proved strongly polymorphic in all 6 localities and in the 2 species. The pattern of genetic variation in Pelobates is best explained by the environmental variability model. Selection for homozygosity as an adaptive strategy seems to operate in the relatively constant and narrow subterranean niche.",

author = "E. Nevo",

year = "1976",

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doi = "10.1007/BF02003729",

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AB - Allozymic variation in proteins encoded by 32 gene loci was analyzed electrophoretically in 64 specimens from 6 localities representing 2 species of the spadefoot toads Pelobates syriacus and P. cultripes from Israel and Portugal, respectively. Out of the 32 loci examined, Esterase-1 was the only locus that proved strongly polymorphic in all 6 localities and in the 2 species. The pattern of genetic variation in Pelobates is best explained by the environmental variability model. Selection for homozygosity as an adaptive strategy seems to operate in the relatively constant and narrow subterranean niche.

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Genetic variation in constant environments

Abstract

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