Because these cells develop into many different tissues and cell lineages, changes in them might explain why many domestic animals share a group of traits like floppy ears and various coat colors.

由于这些细胞发育成许多不同的组织和细胞谱系，它们的变化或许可以解释为什么许多家养动物具有一组特征， 如松软的耳朵和不同的毛色。