?:definition
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A phenotypic trait or disease that resembles the trait expressed by a particular genotype, but in an individual who is not a carrier of that genotype. For example, breast cancer in a hereditary breast/ovarian cancer syndrome family member who does not carry the family\'s BRCA1 or BRCA2 mutation would be considered a phenocopy. Such an individual does not have the family\'s cancer-related mutation and therefore, they do not have the associated cancer risk from that specific mutation.
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