Submitted by 29PiecesOfSilver t3_yqxoei in science
personAAA t1_ivssc4q wrote
Reply to comment by erkobega in In a first, doctors treat fatal genetic disease before birth by 29PiecesOfSilver
Not necessarily that this caused by close family marriage. The exact mutations on the base pair level could be different between the parents. Both mutations create non or low functioning proteins.
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