MORPHOLOGICAL AND POPULATION-GENETIC DIFFERENTIATION OF THE BAIKAL LAKE WHITEFISH COREGONUS-LAVARETUS-BAICALENSIS DYBOWSKIстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:Samples of mature fish from different localities were collected during the period from 1982 to 1984 and from 1987 to 1989. The most significant differences between fish from different localities for 6 merisitc characters were revealed only in the number of gill rakers. 7 enzyme loci of the 24 studied were polymorphic, though only in Est-1 the second allele appeared with high frequency. Some data obtained may point to the Est-1 locus being under selection pressure, and the genotype-dependent migration may well exist at that. The general level of genetic differentiation between localities is In spite of some morphological differentiation, it was presumed that there is a considerable gene exchange between localities.