Maria Ogielska

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Most anuran amphibians produce high numbers of eggs during several consecutive breeding seasons. The question is still open whether oocytes are formed anew as a result of oogonial proliferation after each spawning or the definitive pool of oocytes is established during the juvenile period and is sufficient for the whole reproductive life span of a female.(More)
Background: Hybridogenesis is a very interesting example of reproduction which seems to integrate the sexual and clonal processes in one system. In a case of frogs, described in the paper, two parental species – Rana lessonae and Rana ridibunda can form fertile hybrid individuals – Rana esculenta. Hybrid individuals eliminate one parental haplotype from(More)
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