Genomic imprinting is a genetic phenomenon where certain genes are expressed in a parent-of-origin-specific manner, meaning that either the maternal or paternal allele of the gene is silenced, often through epigenetic mechanisms such as DNA methylation, during gamete formation (egg or sperm).

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Genomic Imprinting

Question 16

Multiple Choice

Genomic imprinting

A) occurs when certain genes are silenced in egg or sperm.
B) results in offspring that express both the maternal and paternal copies of a gene.
C) occurs only in humans.
D) is when certain genes are silenced via transcription factors.

Correct Answer: