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Science. 1971 Dec 3;174(4013):1035-6.

Genetic polymorphisms in varied environments.

Abstract

Thirteen experimenital populationis of Drosophila willistoni were maintained in cages, in some of which the environments were relatively constant and in others varied. After 45 weeks, the populations were assayed by gel electrophoresis for polymorphisms at 22 protein loci. The average heterozygosity per individual and the average unmber of alleles per locus were higher in populations maintained in heterogeneous environments than in populations in more constant enviroments.

PMID:
5120090
[Indexed for MEDLINE]

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