PGD is good for screening for specific genetic disorders such as cystic fibrosis and Tay-Sachs disease, and also can be used to select gender. PGD适用于特殊遗传病的筛查,如囊性纤维化和神经节苷脂病,而且PGD也可以用于性别选择。
So-called recessively inherited disorders, such as Tay-Sachs disease, cystic fibrosis and red blood cell disorders known as thalessemias are rare. 所谓隐性遗传疾病,像“泰-萨克斯病”、“囊性纤维化”,以及被称为“地中海贫血症”的血细胞疾病,都很罕见。
These enlarged, pale neurons are in a baby with Tay-Sachs disease, which is seen mostly in persons of European Jewish heritage. Sachs病的婴儿会出现扩大的苍白色神经元,这在欧洲犹太后裔最常见。