isodisomy


Also found in: Encyclopedia.

isodisomy

A rare chromosomal defect in which a chromosome pair has two identical segments from one parent and no corresponding segment from the other parent.

isodisomy

see UNIPARENTAL DISOMY.
Mentioned in ?
References in periodicals archive ?
1 The high probe density provides broad coverage of constitutional, cancer, OMIM and RefSeq genes on a single array and allows detection of gene-level, copy-neutral LOH, uniparental isodisomy, and regions identical by descent.
Paternal isodisomy for chromosome 7 is compatible with normal growth and development in a patient with congenital chloride diarrhea.
In a case of NIPT positive for trisomy 21, quantitative fluorescent (QF)-PCR of a CVS sample at 14 weeks' gestation suggested isodisomy type iUPD21 on the basis of 7 short tandem repeat (STR) markers all inherited from the mother.