3 sentences

1. 这种性状表现与上位效应密切相关。

   zhè zhǒng xìng​zhuàng biǎo​xiàn yǔ shàng​wèi xiào​yìng mì​qiè xiāng​guān.

   This phenotypic expression is closely related to epistasis.

   Source: Dong Chinese Dictionary

2. 孟德尔通过实验研究了豌豆的遗传性状。

   Mèng​dé'ěr tōng​guò shí​yàn yán​jiū le wān​dòu de yí​chuán xìng​zhuàng.

   Mendel studied the hereditary traits of peas through experiments.

   Source: Dong Chinese Dictionary

3. 这种药物的物理性状在潮湿环境下会发生改变。

   zhè zhǒng yào​wù de wù​lǐ xìng​zhuàng zài cháo​shī huán​jìng xià huì fā​shēng gǎi​biàn.

   The physical properties of this drug will change in a humid environment.

   Source: Dong Chinese Dictionary