This can occur through a mutation in the gene's DNA sequence or through deletion of the gene.
这种缺失可能起源于基因的突变或者通过基因序列的缺失而产生。
2
Microdeletion — a chromosomal deletion that is too small to be seen under the microscope. See also contiguous gene syndrome.
无法用显微镜观察到的较小的染色体缺失。参见邻接基因综合征。
3
Objective To investigate the relationship between the angiotensin converting enzyme (ACE) genedeletion polymorphism and cerebral infarction, hypertensive cerebral hemorrhage in Chinese.