Abmgg Practice Test & Exam Prep

Genomic imprinting results in disease when:

Both copies of a gene are inherited from the same parent (uniparental disomy) or one copy's imprint is erased A dominant allele fails to be expressed due to low penetrance A recessive variant occurs in compound heterozygous form Trinucleotide repeats expand during maternal transmission only

Correct Answer:

Both copies of a gene are inherited from the same parent (uniparental disomy) or one copy's imprint is erased

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