Is type 1 diabetes inherited dominantly or recessively?
Diabetes likely is not on one gene, therefore it isn't transmitted by classical inheritance as you learned in school. It does run in families, type 2 more than type 1, but both are more frequent if you have a family member with diabetes.
We know and can predict that a child has up to a 1 in 15 chance of developing diabetes based on certain genetic markers, certainly not the 50/50 of dominant or the 1 in 4 for recessive. Most believe there will turn out to be more than one gene involved.
Original posting 5 Dec 2004
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Last Updated: Tuesday April 06, 2010 15:10:00
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