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Ann Genet. 1985;28(3):185-8.

Duplication 11 (q22----qter) in an infant. A case report with review.

Annales de genetique

F Greig, W Rosenfeld, R S Verma, K A Babu, K David

PMID: 3879155

Abstract

A male infant with partial duplication of the long arm of chromosome 11 (11q22----qter) is described with a hitherto unreported translocation. In most cases 11q trisomy is associated with 11q/22q translocation and a 3:1 meiotic disjunction with 47 chromosomes. In a few cases the 11q translocation is associated with a partial deletion of other autosomes and a total of 46 chromosomes. In the present case, translocation to 9p is involved and no apparent deletion of 9p was noted, providing an opportunity to delineate the phenotypic features due to duplication of 11q. A comparison is made between the findings of partial 11q trisomy and 11q/22q translocation.

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