A New Report of the ZZ/ZW Sex Chromosome System in the Genus Triportheus (Pisces, Triporthinae)

In the present study six specimens of Triportheus paranaensis from the Paraná river, in Corrientes (Argentina) were analyzed. All the specimens showed 2n=52 chromosomes with a karyotype formula composed of 24 M +22 SM +4 ST +ZZ (M/M) in males or ZW (M/SM) in females. The constitutive heterochromatin...

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Veröffentlicht in:	CYTOLOGIA 1999/12/25, Vol.64(4), pp.395-400
Hauptverfasser:	Sánchez, Sebastián, Jorge, Lilian C.
Format:	Artikel
Sprache:	eng
Schlagworte:	Cytogenetics Evolution Fishes Sex chromosomes Triportheus
Online-Zugang:	Volltext
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