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The genetic asymmetry of the hybrid green frogs Rana esculenta (Amphibia: Ranidae) complex of Ukraine
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Research of the alleles of the species-specific genes in the gametal cells of Rana kl. esculenta hybrids proved the existence of three local populations within the territory of Ukraine. Their hybrids reject either the genome of lake frog (Danube lowland), either the previous one or another one genome (basin of Severskiy Donets river), either the genome of pond frog (the residuary territory of the areal). The research of skin transplants rejection of hybrids’ parental species has shown that despite the orientation of genome elimination of this population the graft of lake frog always starts identifying and rejecting earlier. That is why the genetic skewness of hybrids becomes apparent at the skin level and corresponds to its manifestations at the organism level.
Key words: Rana esculenta complex, hybrid form, skin transplantation, parental genome inheritance, premeiotic elimination
Tsitologiya i Genetika 2006, vol. 40, no. 5, pp. 10-15
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