...消除主效QTL对微效QTL的掩盖作用,大大提高了QTL定位的准确性;第四类群体是单片段代换系(Single segment substitution lines,SSSLs)是用分子标记辅助选择技术建立的近等基因系,在每个单片段代换系的基因组内都只有来自供体亲本的一个纯合染...
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单片段代换系是进行基因分析特别是QTL分析的理想材料。
The single segment substitution lines(SSSLs) were perfect materials for analysis of gene especially for QTL.
目的单片段代换系(SSSL)是通过高代回交和分子标记辅助选择构建的,只含有来自供体亲本的一个染色体片段,遗传背景与受体亲本相同的品系。
Single segment substitution lines (SSSL) containing only one segment of donor chromosome introgressed into a recipient genetic background permits QTLs to be mapped with greater precision.
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