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首页> 外文期刊>Trends in Ecology & Evolution >Control of introduced species using Trojan sex chromosomes
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Control of introduced species using Trojan sex chromosomes

机译:使用特洛伊性染色体控制外来物种

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摘要

To control introduced exotic species that have predominantly genetic, but environmentally reversible, sex determination (e.g. many species of fish), Gutierrez and Teem recently modeled the use of carriers of Trojan Y chromosomes - individuals who are phenotypically sex reversed from their genotype. Repeated introduction of YY females into wild populations should produce extreme male-biased sex ratios and eventual elimination of XX females, thus leading to population extinction. Analogous dynamics are expected in systems in which sex determination is influenced by one or a few major genes on autosomes.
机译:为了控制主要具有遗传但在环境上可逆的性别确定的外来物种(例如许多鱼类),古铁雷斯和蒂姆最近对特洛伊Y染色体的携带者进行了建模-表型上的性别从其基因型反转。反复将YY雌性引入野生种群应产生极高的男性偏见的性别比例,并最终消除XX雌性,从而导致种群灭绝。在常染色体上一个或几个主要基因影响性别决定的系统中,也预期会有类似的动力学。

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