Allelic exclusion --- In immunogenetics, the observation that only one of the pair of parental alleles for each H chain and L chain of an immunoglobulin molecule is expressed within a single cell.
等位基因排斥：免疫球蛋白的杂合子只表达一对等位基因中的一个的现象。
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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.