chromsome 1 deletion


1q43-q44 Deletion Syndrome

1q43-q44 Deletion Syndrome Chromosome 1q44 is a 6 Mb long terminal segment of the long arm of chromosome 11. The more proximal segment 1q43 is approximately the same size. There are at least 230 reports on patients having isolated deletions 1q43q44 (or 1q44) and more than 130 reports when deletions...
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1q21.1 Deletion Syndrome

Deletion 1q21.1 The genetic size of the whole chromosome 1 is ~246 Mb. The segment 1q21.1 occupies only ~4 Mb (from ~141.5 Mb to 145.9 Mb) and both deletions and duplications within this segment became recognizable only for the last years when molecular cytogenetic methods became available. There are two...
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