Abstract
THE frequencies of glucoside lotaustralin and enzyme linamarase genes were investigated in lowland1 and altitudinal2 populations of Trifolium repens. The results obtained disclosed a continuous diminution in the occurrence of the dominant alleles from the Mediterranean region to north-eastern Europe1, and from the lowland to the higher altitudes2 within a range of 100–0 per cent. A significant correlation was found between the dominant allele frequencies and January mean temperature. Further study was concerned with the determination of gene frequencies in strains of T. repens. The picrate-paper test used was that described by Corkill3, modified for determining small amounts of enzyme. The results obtained were used for calculating the occurrence of genes in the samples (Table 1).
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Daday, H., Heredity, 8, 61 (1954).
Daday, H., Heredity (in the press).
Corkill, L., N.Z. J. Sci. Tech., 22, 65B (1940).
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DADAY, H. Gene Frequencies in Strains of Trifolium repens L.. Nature 174, 521 (1954). https://doi.org/10.1038/174521a0
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DOI: https://doi.org/10.1038/174521a0
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