Concept information
Preferred term
loss of heterozygosity
Type
-
Topic
Definition
-
The loss of one allele at a specific locus, caused by a deletion mutation; or loss of a chromosome from a chromosome pair, resulting in abnormal hemizygosity. It is detected when heterozygous markers for a locus appear monomorphic because one of the alleles was deleted.
Source: Medical Subject Headings
Type: Concept definition
Broader concept
Narrower concepts
Synonyms
- allelic loss
In other languages
-
Spanish
URI
https://lod.nal.usda.gov/nalt/324472
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