chromosomal duplication

基本解釋

Chromosome disorder --- A clinical condition caused by an abnormal chromosome constitution in which there is duplication, loss, or rearrangement of chromosomal material.
染色體結(jié)構(gòu)和數(shù)目異常引起的遺傳病，包括染色體的重復(fù)、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(rèn)為，染色體異常可能會(huì)占孤獨(dú)癥病例的百分之十到二十，而15q11-13區(qū)段的染色體重復(fù)，是目前唯一所知的能和孤獨(dú)癥相關(guān)聯(lián)的異常。