ニジマスの染色体数変異(資料)〔英文〕

概要

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The somatic chromosomes of the rainbow trout from two localities of Hokkaido are studied by the routine air-drying method. One of six specimens studied has 58 chromosomes consisting of 23 pairs of meta- and submetacentrics, one pair of subtelocentric and 5 pairs of telocentric chromosomes. The remaining five specimens show a basic number, 2n, 60. The arm number of both groups is 104, and this seems to indicate polymorphism resulted from the Robertsonian system.
日本遺伝学会の論文