Chromosomal studies by blood leukocyte culture technique on three salmonids from Yugoslavian waters

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<jats:p>Three species of salmonids, rainbow trout, <jats:italic>Salmo gairdneri</jats:italic>, brown trout, <jats:italic>S. trutta</jats:italic>, and marble trout, S. <jats:italic>marmoratus</jats:italic>, have been studied for their karyotypes. In rainbow trout 316 metaphases were studied and recorded 2<jats:italic>n</jats:italic> of 60 with 44 meta‐ to submetacentric and 16 subtelo‐ to telo‐centric chromosomes, and the number of chromosome arms (NF) of 104. Observation on 243 metaphases of brown trout showed 2<jats:italic>n</jats:italic> of 80 with 20 meta‐ to submetacentric, 60 telocentric chromosomes and the <jats:sc>nf</jats:sc> of 100. While in 164 metaphases from the marble trout 2<jats:italic>n</jats:italic> was of the order of 80 out of which 22 were meta to submetacentric and 58 telocentric chromosomes with <jats:sc>nf</jats:sc> of 108.</jats:p>

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