这些异种基因会不会破坏我们赖以生存的、脆弱的生态系统？
Will these alien genes harm the fragile ecosystem upon which we all depend?
不过，还有很多与自发性异卵双胞胎有关的基因有待发现。
However, there are still more genes to be found that influence spontaneous dizygotic twinning.
异基因造血干细胞移植是一种高风险的治疗过程。
Allogeneic stem cell transplant can be a high-risk procedure.
异基因造血干细胞移植是一种高风险的治疗过程。
Allogeneic stem cell transplant can be a high-risk procedure.
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