heterodisomy

heterodisomy

[‚hed·ə‚rō·dī′sō·mē]
(genetics)
A type of uniparental disomy in which two different homologous chromosomes and their frequently different alleles are inherited from the same parent.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Der(22) t(11;22) resulting from a parental de novo translocation, adjacent 1 segregation and maternal heterodisomy of chromosome 22.
The frst two explanations would result in uniparental heterodisomy, while monosomic rescue and mitotic error and rescue may result in UPD.