Identification of the Y chromosome in chinook salmon (Oncorhynchus tshawytscha)
- 2 April 2001
- journal article
- animal cytogenetics-and-comparative-mapping
- Published by S. Karger AG in Cytogenetic and Genome Research
- Vol. 92 (1-2) , 108-110
- https://doi.org/10.1159/000056878
Abstract
The Y chromosome in chinook salmon, Oncorhynchus tshawytscha, was identified using fluorescence in situ hybridization (FISH) with a probe to a male-specific repetitive sequence isolated from this species. The probe highlights the distal end of the short arm of an acrocentric chromosome with a DAPI-bright interstitial band of variable size. The proximal portion of the short arm of the Y chromosome contains 5S rDNA sequences, which are also found on the short arms of six other acrocentric chromosomes in this species.Keywords
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