He points out that in the past few centuries, the agricultural and fishery industries have used hybrid breeding techniques to intermingle thousands or even tens of thousands of genes. With luck, a good breed results from these efforts. However, there is also the possibility of losing favorable characteristics.
蔡懷楨指出，過去數百年來農漁產業用雜交配種方式，讓幾千、幾萬個基因互相交配，幸運的話可能篩選到一個好的品種，但也可能因此喪失了原先優良的性狀。