The process underflying differences in expression of a gene, according to which parent has transmitted, is called: (A) Anticipation, (B) Mosiacism, (C) Non-penetrance, (D) Genomic imprinting
Answer is D. Genomic imprinting is an epigenetic phenomenon that causes genes to be expressed in a parent-of-origin-specific manner. Reference: GHAI Essential pediatrics, 8th edition