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。
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A girl with a deletion of SHANK 3 in the third family suffered from autism while her brother, who had an additional copy of the gene, had a mild form of autism called Asperger syndrome.
they observed no instances in the subjects with bipolar illness of the chromosome 22 gene deletion implicated in schizophrenia and the velocardiofacial syndrome.