The trisomic, colon cancer mice had 44% fewer intestinal tumors than the colon cancer mice that did not have the extra 108 genes. 结果携带三体及结肠癌基因的小鼠发生肠道肿瘤的机率比那些没有携带额外的108个基因而仅携带有结肠癌基因的小鼠少44%。
A trisomy is a type of polysomy in which there are three instances of a particular chromosome, instead of the normal two. A trisomy is a type of aneuploidy (an abnormal number of chromosomes).