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白鲢三倍体及其核型的研究
Authors
苏泽古,许克圣,陈尚萍,白国栋
Publication date
1 January 1984
Publisher
Abstract
白鲢卵授精后3分钟冷休克处理40分钟,其出苗率为0.28%,二龄鱼检查三倍体出现频率占被检查鱼的8.5%,镶嵌体占8.5%。 白鲢染色体2n=48,3n=72。 白鲢的核型2n有10对中着丝点染色体,12对近中着丝点染色体,2对近端着丝点染色体。3n有10套中着丝点染色体,12套近中着丝点染色体,2套近端着丝点染色体。 在自然界存在某些天然三倍体种群,并以雌核发育的方式来繁殖后代,如银鲫Carassius auratus gibelio Bloch(Cherfas 1966)。 自从Fankhauser
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Institute of Hydrobiology, Chinese Academy Of Sciences
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Last time updated on 15/03/2018