1、Xenogeny is a process in which offspring are produced from the fusion of different species.

异源发生是一种通过不同物种的融合产生后代的过程。

2、Scientists have studied the phenomenon of xenogeny in order to understand the genetic exchange between different organisms.

科学家们研究异源发生这一现象以了解不同生物之间的基因交换。