An abnormal clone (20% metaphase cells) showed the presence of an anomalous extra isochromosome
12p, the short arm of chromosome 12, indicating tetrasomy 12p.
Recurrent abortion associated with a balanced 22;22 translocation, or isochromosome
22q in a monozygous twin.
46,X,i(X)(q10) is a duplication of the long arm of the X chromosome, fused at the head with a missing short arm .
Structural and functional evidence that a B chromosome in the characid fish Astyanax scabripinnis is an isochromosome
. Heredity, vol.
Turner syndrome isochromosome
karyotype correlates with decrease dental crown width.
Females with an isochromosome
of the long arms of the X chromosome have larger and more frequent drumsticks, whereas females with deletions from the X chromosome have smaller drumsticks (1), (15).
Siepman et al., "Isochromosome
(12p) and peritriploidy in a highly malignant extrarenal rhabdoid tumor," Cancer Genetics and Cytogenetics, vol.
double Ph, isochromosome
17q, trisomy 8 FISH analysis optional: * Only done where conventional cytogenetics not available or fails * Or, to document a BCR-ABL positivity for variant translocation and masked Ph Note: If BM material unavailable (e.g.
This was the irst report of what White correctly interpreted as a B isochromosome
, a type of supernumerary later found in other grasshopper species (Hewitt 1973; Camacho et al.
A high incidence of isochromosome
12p in leukaemic blasts has been reported and this is a genetic abnormality found in EGCT and gonadal GCT .
In addition, seven of the 20 cells contained an additional isochromosome
8q resulting in an 8q tetrasomy.
(5) Tetrasomy 18p is a chromosome abnormality in which, in addition to the normal 23 pairs of chromosomes, an individual has an additional chromosome, called an isochromosome
, composed of two copies of the short arm of chromosome 18.