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首页> 外文期刊>Journal of genetics >Chromosomal localization of autosomal mutations in Drosophila nasuta nasuta and Drosophila nasuta albomicans
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Chromosomal localization of autosomal mutations in Drosophila nasuta nasuta and Drosophila nasuta albomicans

机译:果蝇纳斯图塔纳斯图塔和果蝇芽孢菌菌染色体突变的染色体定位

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摘要

We studied two eye colour and two wing mutants (sepia, brown, crossveinless and Curly) in Drosophila nasuta nasuta and four eye colour mutants (brown, carmine, purple and bright eyes) in Drosophila nasuta albomicans. Most mutations were isolated from natural populations whereas two (crossveinless and Curly in D. n. nasuta) were induced in laboratory populations. From the pattern of inheritance in the F_1 and backcross generations, all the mutant genes analysed were seen to be recessive, except Curly in D. n. nasuta, which was dominant, Further, based on the inheritance pattern in the F_1 and backcross progeny of interspecific crosses, we could show that all the mutant genes are located on chromosome 2, except the gene for purple in case of D. n. albomicans, which is located on chromosome 3.
机译:我们在果蝇纳斯图罗塔和四个眼睛颜色突变体(棕色,胭脂红,紫色和明亮的眼睛)中研究了两种眼睛颜色和两个翼突变体(棕褐色,棕色,横向和卷曲),在德罗斯托腊肠纳斯图罗塔·纳斯特塔·阿巴穆塔 大多数突变从天然群体中分离出来,而在实验室群体中诱导两种(Crossilless和D. nasuta)。 从F_1和Rescross世代的遗传模式中,除了D. n的卷曲之外,分析的所有突变基因都被视为隐性。 纳斯图塔在占主导地位的基础上,进一步基于F_1的遗传模式和间隙的基因的遗传模式,我们可以表明所有突变基因位于染色体2上,除了D. n的紫色基因。 阿尔巴马患者,位于3染色体上。

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