EVOLUTION OF PERICENTROMERIC HETEROCHROMATIN OF HUMAN X-CHROMOSOME

被引：0
|
作者：
LUKE, S [1 ]
MATHEWS, T [1 ]
VERMA, RS [1 ]
机构：
[1] SUNY HLTH SCI CTR,LONG ISL COLL HOSP,DIV GENET,BROOKLYN,NY 11201
来源：
GENETICA | 1992年 / 87卷 / 01期
关键词：
X-CHROMOSOME; HETEROCHROMATIN; HETEROMORPHISM; ALUI-GIEMSA BANDING; C-BANDING;
D O I：
10.1007/BF00128774
中图分类号：
Q3 [遗传学];
学科分类号：
071007 ; 090102 ;
摘要：
An unusual large heterochromatic segment around the pericentromeric region of the X-chromosome is reported. In normal circumstances, the pericentromeric region of the X-chromosome is negative by the restriction endonuclease AluI/Giemsa technique. However, this unusual X-chromosome was found to have AluI resistant (positive) chromatin. The evolution of extra heterochromatin is a postzygotic event as substantiated by the presence of a normal cell line.
引用
收藏
页码：63 / 64
页数：2
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