Journal
CARYOLOGIA
Volume 60, Issue 3, Pages 222-225Publisher
UNIV FLORENCE BOTANY INST
DOI: 10.1080/00087114.2007.10797940
Keywords
endangered species; Europe; karyotyping; sexual dimorphism; Zingel
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The karyotype of Zingel zingel from the Morava River (Czech Republic) was analyzed. The diploid chromosome number was 2n=48 in females and 2n=47 in males, however, one large unpaired metacentric chromosome was present in males. This proves to be the X,X1X2X2/X1X2 multiple sex chromosome system developed from the fusion of two sub- or acrocentric chromosomes where a sex chromosome Y was present as one of them.
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