recessive

红发是一个隐性特征，只有当父母双方都携带该基因时才会显现。

Red hair is a ___recessive trait that appears only when both parents carry the gene.

他的隐性性格让他更倾向于听从他人意见而非主导讨论。

His ___recessive nature makes him prefer following others' opinions rather than leading discussions.