各种作物基因组大小的差异可能由于各个区段内基因间重复顺序扩增的程度不同所致。
The differences of genome size among cereals may be due to different degrees of repetitive sequence amplification in intergenic regions in different species.
发现与母本水稻相比，远缘杂交后代高粱稻基因组在中度重复顺序部分发生了变化。
It was found that by comparison with its mother plant rice, an apparent change had happened in the middle repeated sequence component of the stable hybrid.
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