Allelic exclusion --- In immunogenetics, the observation that only one of the pair of parental alleles for each H chain and Lchain 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。
2
L or — list: Lists all rules in the specified chain.
l或——list：列出指定链中的所有规则。
3
The Company's manufacturing footprint extends across eight countries in addition to India. L&T has several international offices and a supply chain that extends around the globe.