Biochemical genetics of fish
Brown trout have 80 chromosomes and brook trout have 84 chromosomes.
Dear Prof. Atanasov,
Thanks a lot for the question! Really, it is a rare phenomenon in the wild that the brook trout has 84 chromosomes and the brown trout has 80 chromosomes.
http://troutster.com/the-brown-trout-brook-trout-hybrid-aka-tiger-trout/
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