Genomic imprinting

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genetic imprinting

Broader Terms

developmental genetics

Facts (generated by robot; please edit if you find it inaccurate)

• Essay Prepared by Kerri Albertson, Lacey Frederick and Scott Palmer Genomic imprinting is an epigenetic phenomenon which, in most cases, is believed to occur in gametogenesis.
• Genomic imprinting is thought to be a particular sub-type of dominance modification (Sapienza, 1990), whereby imprinting would result when one or more of these modifiers is sex-linked and would therefore produce a dosage difference.
• Genomic imprinting is not merely a gene expression phenomenon, however.
• Genomic imprinting is defined as the unequal expression of the two parental alleles of a gene.
• Genomic imprinting is the term that has been coined to describe this situation in which the phenotype expressed by a gene varies depending on its parental origin (Sapienza, 1989).

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