表观遗传变异是由附属于基因的其他分子作用引起基因表达改变的可遗传的变异。
Epigenetic changes are heritable changes to the regulation of a cell's genes, caused by extra molecules being attached to those genes.
结果表明，小麦异源六倍体物种形成诱发迅速且广泛的基因组遗传变异和表观遗传变异。
The result indicated that speciation ofallopolyploid wheat induced rapid and extensive genetic and epigenetic changes in thegenome.
这表明，妇女如果在孕期饮酒过多，表观遗传变异可能会导致他们的子女出现胎儿酒精综合征中的一些固定症状。
This suggests that if women drink too much in pregnancy, epigenetic changes may cause some of the permanent symptoms seen in fetal alcohol syndrome in their children.
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