交叉遗传：男性患者的X连锁致病基因必然来自母亲，以后又必定传给女儿，使女儿成为致病基因的携带者。
酿造葡萄酒也可以选用杂交葡萄。这些杂交葡萄是由两个不同种属的葡萄交叉遗传而来的。
Wine can also be made from other species of grape or from hybrids, created by the genetic crossing of two species.
此外，交叉培养实验显示舔的行为不仅仅由遗传决定，Meaney表示。
Furthermore, cross-fostering experiments show that licking behavioris not simply determined by heredity, said Meaney.
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