Dominant means that one gene in the gene pair is able to control the trait which that gene pair codes for, recessive means that both genes in the gene pair are necessary to control the trait.

• 显性基因是指一个基因在一对基因组中能够代表该组基因的特点，隐性基因是说在一对基因组中的两个基因才能代表该基因组的特点。