Genomic imprinting is the epigenetic phenomenon by which certain genes are expressed in a parent-of-origin-specific manner. If the allele inherited from the father is imprinted, it is thereby silenced, and only the allele from the mother is expressed.f the allele from the mother is imprinted, then only the allele from the father is expressed. Forms of genomic imprinting have been demonstrated in fungi, plants and animals.
See more synonyms on Thesaurus.com. verb (used with object), invoked, invoking. 1. to call for with earnest desire; make supplication or pray for: to invoke God's mercy.
Full Definition of PRACTITIONER. 1. : one who practices; especially: one who practices a profession. 2. Christian Science: an authorized healer.See practitioner defined for English-language learners. See practitioner defined for kids. ADVERTISEMENT. a person who works in a professional medical or legal business. : a person who regularly does an activity that requires skill or practice.