in.tro.gres.sion
n.（名词）Infiltration of the genes of one species into the gene pool of another through repeated backcrossing of an interspecific hybrid with one of its parents.基因渗入：一物种的基因通过不断地与另一物种基因的亲代种间逆向杂交，而渗透进另一物种基因库的过程
来源：From Latin intrôgressus [past participle of] intrôgredo [to step in] 源自 拉丁语 intrôgressus [] intrôgredo的过去分词 [进入] intrô- [intro-] intrô- [前缀，表.在…内部.] grado [to step] * see ingress grado [跨步] *参见 ingress
【引伸】
in.trogres.sive
