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NBME 20 Answers

nbme20/Block 2/Question#47

A 35-year-old man comes to the physician to discuss ...

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submitted by hayayah(418),

You have a 25% chance of inheriting the same HLA markers as your siblings.

masonkingcobra  Two siblings have a 25% chance of being genotypically HLA identical, a 50% chance of being HLA haploidentical (sharing one haplotype), and a 25% chance that they share no HLA haplotypes. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2628004/ +7