Loss of Heterozygosity

Synonyms

Allelic Loss

Allelic Losses

Heterozygosity Loss

Heterozygosity, Loss of

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.

See Also