chromosomal duplication

基本解释

Chromosome disorder --- A clinical condition caused by an abnormal chromosome constitution in which there is duplication, loss, or rearrangement of chromosomal material.
染色躰結搆和數目異常引起的遺傳病，包括染色躰的重複、丟失和重排等。
Chromosomal abnormalities are thought to account for 10 to 20 percent of cases and duplication of chromosome 15q11-13 is the only recurrent aberration so far linked to the disease.
有人認爲，染色躰異常可能會佔孤獨症病例的百分之十到二十，而15q11-13區段的染色躰重複，是目前唯一所知的能和孤獨症相關聯的異常。