Tetrasomy of the short arm of chromosome 9: prenatal diagnosis and further delineation of the phenotype.

doi:10.1002/ajmg.1320380422

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Article

Tetrasomy of the short arm of chromosome 9: prenatal diagnosis and further delineation of the phenotype.

American journal of medical genetics - 15 Mar 1991

Schaefer G B, Domek D B, Morgan M A, Muneer R S, Johnson S F

Abstract excerpt

A fetus with multiple malformations was identified by prenatal ultrasound investigation. Cordocentesis and fetal lymphocyte chromosome analysis demonstrated a model number of 47 chromosomes. The extra chromosome material was identified as an isochromosome of the entire short arm of chromosome 9 w...

Topics

Aneuploidy
Chromosome Aberrations
Chromosome Disorders
Chromosomes, Human, Pair 9
Heterochromatin
Humans
Infant, Newborn
Male
Phenotype
Postmortem Changes
Prenatal Diagnosis
Ultrasonography

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