详细解释:【医】 二因子 * , 二因子杂合体
英语解释：
名词 dihybrid:
a hybrid produced by parents that differ only at two gene loci that have two alleles each详细解释：
di.hy.brid
n.Genetics （名词）【遗传学】 The hybrid of parents that differ at only two gene loci, for which each parent is homozygous with different alleles.而性 * ：只有二对染色体遗传基因的亲体杂交，每个亲体都是不同等位基因的结合体