Genomic imprinting: mechanism and role in human pathology.

Abstract excerpt

Most genes are expressed from two alleles, one maternal and the other paternal. The term "genomic imprinting" refers to a genetic phenomenon which produces some interesting exceptions to this rule. Genes which are subject to imprinting are molecularly marked before fertilization such that they are transcriptionally silenced at one of the parental alleles in the offspring. A growing body of evidence implicates...

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