In animal studies, parthenotes have yielded ES cells able to differentiate into multiple tissue types in culture and to pass the teratoma test, forming cells from all three embryonic germ layers.

• 在动物实验中，孤雌生殖胚球产生的胚胎干细胞，在培养时也能够分化成多种细胞类型，并通过畸胎瘤测试，形成来自三个胚层的细胞。