Partial duplication of the long arm of chromosome 4.
A 6,5 years old mentally retarded girl with duplication 4(q25 leads to q31) is reported. She presented the major clinical stigmata commonly found in partial 4q trisomy.
D002648:Child; D002869:Chromosome Aberrations; D025063:Chromosome Disorders; D002905:Chromosomes, Human, 4-5; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000235:genetics; D014314:Trisomy