1. What are the molecular mechanisms underlying genomic imprinting and parent-of-origin effects, and how do imprinted genes regulate fetal development, placental function, and postnatal growth, with implications for intrauterine growth restriction and developmental disorders? 

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Genomic imprinting is an epigenetic phenomenon that results in the expression of specific genes being dependent on the parent of origin This process involves differential DNA methylation or histone mo... View the full answer