part of mating type switching reproductive process in single-celled organism mating-type locus imprinting https://github.com/geneontology/go-ontology/issues/22217 biological_process genomic imprinting at mating-type locus genetic imprinting at mating-type locus mah mating type determination, imprinting A genomic imprinting process in which a stable single-strand DNA lesion triggers programmed gene conversion at the mating-type locus, thereby restricting mating-type interconversion to one of the two sister chromatids during DNA replication. GO:0071515 2010-01-06T12:58:56Z