pen.e.trance

penetrance的音标和读音：
DJ音标发音： [ˈpenitrəns]
KK音标发音： [ˈpɛnɪtrəns]

penetrance的词性：
n.（名词）

1. The frequency, under given environmental conditions, with which a specific genotype is expressed by those individuals that possess it.
外显率（基因）：具有特定遗传基因的个体在一定环境下表现其遗传基因的概率