QTL等位基因变异与孟德尔基因变异具有类似的分子基础，即基因表达或蛋白质功能发生改变。
The allelic variations at QTL has similar molecular basis to the variations at simple Mendelian loci and the basis is that gene expressions or protein functions vary.
主要结果如下：1、对24个玉米自交系进行了SSR分析，44对引物共检测出136个等位基因变异，每对引物检测出2 - 7个等位基因，平均为3.09个。
The main results are as following: 1. By analysing 24 maize inbred lines with SSR, 136 alleles was detected from 44 pairs of primers, 2-7 alleles of each pair, average was3.09.
研究人员寻找不存在与父母中的杂合变异体，而不是寻找每位亲本携带一个等位基因的纯合变异体。
Instead of looking for homozygous variants where each parent carried an allele, the researchers were looking for heterozygous variants that were also not present in the parents.
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