NBME 19 1:4 (NBME Answers)

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Retired NBME Answer Explanations

Retired NBME 19 Answers

nbme19/Block 0/Question#0 (reveal difficulty score)
A 35-year-old man comes to the physician to ...
1:4 🔍 / 📺 / 🌳 / 📖
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submitted by ∗cbreland(195)

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Siblings have a 25% chance of inheriting the same HLA markers

There is also: + 50% chance of being haplo-identical (share one haplotype) + 25% chance of having no HLA in common

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2628004/

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surgerydoctorca_sgu @cbreland yep you're absolutely correct, and the only reason I know this is because my medical school actually did teach us this. I tried to find a reference for this is FA 2021 but did not see it listed anywhere. +

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