Проаналізовано напівклональну структуру гібридної форми Pelophylax esculentus-ridibundus (Amphibia: Ranidae) у басейнах річок Дніпро та Десна. Продемонстровано наявність поліклональності майже у всіх популяціях. Моноклональність досліджуваної гібридної форми виявлена лише у 2 із 17 досліджених популяцій. Показано широкі коливання рівня генетичної мінливос-ті P. esculentus-ridibundus у досліджуваній зоні. Показано зниження рівня генетичних варіацій через втрату рідкісних напівклонів. Специфічною рисою P. esculentus-ridibundus, виявленою у досліджуваних популяціях в басейнах Дніпра та Десни, є рекомбінація батьківських геномів. Це призводить до появи нових напівклонів та підвищує рівень генетичної варіації успадкованого геному в межах цієї гібридної форми.
Ключові слова: Pelophylax, гібридна форма, напівкло-нальна різноманітність, напівклональне успадкування, рекомбінація батьківських геномів
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