adj.后退的；逆行的；隐性遗传的
n.[遗传学]隐性基因；隐性性状
Brown eyes are dominant and blue eyes are recessive. 棕色眼睛是显性的，蓝色眼睛是隐性的。
Genes are described as DOMINANT or RECESSIVE. 基因分为显性基因和隐性基因。
