Abstract
The Khanka Sawbelly Hemiculter lucidus is characterized by a significant prevalence of females in catches of mature fish. By means of RAPD-analysis using 12 primers and karyological investigations, the assumption on the presence of a unisexual gynogenetic form in this species was checked. With consideration of the obtained data, the assumption on gynogenetic reproduction is rejected. Other causes of the shift in sex ratio towards females are discussed.
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