point deletion

point de·le·tion

1. deletion involving a submicroscopic loss of genetic material too small to be resolved by linkage analysis;
2. Synonym(s): nucleotide deletion
References in periodicals archive ?
Sequence of the structural gene for granule-bound starch synthase of potato (Solanum tuberosum L.) and evidence for a single point deletion in the amf allele.
Point deletion: the deletion of a single amino acid on the gene.