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介绍了一种回交结合标记基因选择 ,转移蚕限性品种标记基因的方法.利用这种方法可以较快地把一个限性系统中性别控制基因导入普通蚕品种 ,且能基本上保持原来蚕品种的性状特点“,”This paper presents the method for transferring sex limited markers of silkworm by backcrossing and marker gene selection.By means of this method,the sex limited marker gene in sex limited silkworm variety could be easily introduced into common variety, but the other characters of the common variety were almost kept the status quo ante .