双隐性：一个生物体包含一对隐性等位基因，则表现为隐性性状。

Double recessive an organism containing both recessive alleles of a particular gene and thus expressing the recessive form of the gene in its phenotype.

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蓝色眼睛的等位基因是隐性的。

The allele for blue eyes is recessive.

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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。

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

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按照吸烟特点进行亚组分析：在等位基因比较、纯合子比较、隐性遗传模型和显性遗传模型下，都没有发现吸烟与肺癌有显著关联。

In the subgroup analysis stratified by smoking status, no association of smoking was found between 12139c allele and lung cancer under different genetic models.

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按照吸烟特点进行亚组分析：在等位基因比较、纯合子比较、隐性遗传模型和显性遗传模型下，都没有发现吸烟与肺癌有显著关联。

In the subgroup analysis stratified by smoking status, no association of smoking was found between 12139c allele and lung cancer under different genetic models.

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