All of these recessive mutations, which are considered to be null alleles, exhibit defects in internode elongation.

被认为是无效等位基因的这些隐性突变都存在节间伸长缺陷。

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Recessive mutations in several loci of Arabidopsis were previously shown to lead to a collapsed xylem phenotype but water-transport deficiency was not observed.

以前发现的拟南芥中几个位点的隐性突变导致了木质部萎陷的表型，但没有观察到水分运输的缺失。

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This apparent anomaly is partially explained by the fact that most founder mutations are recessive: only a person with copies of the affected gene from both parents becomes ill.

大多数明显的创始人突变都是隐性的，可以解释这种明显的异常现象：只有双亲都拥有受影响基因副本的人才会生病。

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