Mental disorders due to chromosomal abnormality 染色體異常所致精神障礙
Underlying chromosomal abnormalities , such as trisomy 13 , or maternal diabetes mellitus are possible causes , but some cases are sporadic 潛在的染色體異常,例如三倍體13 ,或母親的糖尿病也是可能的原因。
Anencephaly is a form of neural tube defect that is typically an isolated birth defect that is not related to chromosomal abnormalities 無腦兒是神經(jīng)管缺陷的一種類型,是單純性先天性缺陷,與染色體異常無關(guān)。
A technique has been successfully established for preimplantation genetic diagnosis of chromosomal abnormalities in the embryos before embryo transfer in assisted reproduction 醫(yī)學(xué)院發(fā)展了一套種植前遺傳學(xué)診斷的技術(shù),能有效于人工受孕的胚胎著床前診斷出胚胎的異常染色體。