Partial trisomy of chromosome 1 resulting from a complex maternal rearrangement of chromosomes 1, 5, and 6.
D000015:Abnormalities, Multiple / Q000235:genetics; D002900:Chromosomes, Human, 1-3; D002905:Chromosomes, Human, 4-5; D002906:Chromosomes, Human, 6-12 and X; D006801:Humans; D007231:Infant, Newborn; D007621:Karyotyping; D008297:Male; D014178:Translocation, Genetic; D014314:Trisomy