羊膜穿刺术是出生前检测非整倍体的金标准。
Amniocentesis is the standard prenatal detection procedure for aneuploidy.
在过去几年中，科学家利用小鼠研究了非整倍体的遗传原因。
For the past several years, scientists have used mice to study the genetic causes of aneuploidy.
他们发现具有高水平非整倍体的肿瘤患者在治疗后没有活多久。
They saw that patients whose tumours had high levels of aneuploidy didn't live for as long after treatment.
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