核型：染色体数为二倍体，每个细胞中有56条染色体的模态数，而2S成分的发生率为13.2％。
致瘤性：否，在免疫抑制的小鼠中不致瘤
Karyotype: The stemline chromosome number is hypotriploid with the modal number of 56 chromosomes per cell and the 2S component occurring at 13.2%.
Tumorigenic: No, in immunosuppressed mice
