versión On-line ISSN 0717-6538
NORTHLAND-LEPPE, Irma; LAM, Natalia; JARA-SEGUEL, Pedro y CAPETILLO-ARCOS, Juana. CHROMOSOMES AND Ag-NOR LOCATION IN FLUVIATE POPULATIONS OF SALMO TRUTTA FARIO L. 1758 (SALMONIFORMES: SALMONIDAE) FROM ATACAMA DESERT, CHILE. Gayana (Concepc.) [online]. 2009, vol.73, n.1, pp. 45-48. ISSN 0717-6538. http://dx.doi.org/10.4067/S0717-65382009000100007.
Salmo trutta fario L. 1758, presented a chromosome number 2n = 80 and a fundamental number NF = 100. Thehaploid chromosome set consists of seven metacentric chromosomes, three submetacentric, one subtelocentric and 29 telocentrics. The Ag-NOR are located at conserved position in the short arm of pair 11 (st), with the presence of additional NOR on the short arm of pair 9 (sm) which is rare in others taxa previously studied.
Palabras llave : Salmo truttafario; Chromosomes; Atacama region; Chile.