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Chromosome 4p duplication is a chromosome abnormality that occurs when there is an extra copy of genetic material on the short arm (p) of chromosome 4. The severity of the condition and the signs and symptoms depend on the size and location of the duplication and which genes are involved. Features that often occur in people with chromosome 4p duplication include developmental delay, intellectual disability, behavioral problems and distinctive facial features. Although some cases occur sporadically, most are inherited from a parent who has a balanced translocation. Treatment is based on the signs and symptoms present in each person.
Source: GARD Last updated on 05-01-20
Unique is a source of information and support to families and individuals affected by rare chromosome disorders. Click on the link to view information about duplications of 4p.
Last updated on 04-27-20
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