<prompt> Differential expression of same gene depending on parent of origin is referred to as:Genomic imprintingMosaicismAnticipationNon penetrance  <response>: Ans. A. Genomic ImprintingRef: Robbins 9e page 172Studies over the past two decades have provided definite evidence that, at least with respect to some genes, important functional differences exist between the paternal allele and the maternal allele. These differences result from an epigenetic process called imprinting. 