recessive

Blue eyes are a recessive trait, meaning a child must inherit the gene from both parents to have them.

(Chinese) 蓝眼睛是一种隐性性状，这意味着孩子必须从父母双方遗传该基因才会拥有蓝眼睛。

The plant's red color is caused by a recessive gene that only appears in every fourth generation.

(Chinese) 这种植物的红色是由一种隐性基因引起的，这种基因每四代才出现一次。