eli5 – what determines disability?

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i mean no harm in this question, i’m simply curious as my sister suffers from muscular dystrophy and have always been curious why, genetically, she was dealt such a bad card? at what point in pregnancy do genetics determine our fate?

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Anonymous 0 Comments

Your genome is decided the moment an egg is fertilized. What the exact nature of the defect is depends on the particular disease (or more accurately, the other way around).

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