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A member asked:
Does adhd combined type run in families?
3 doctors weighed in across 2 answers
It can.: We also have a tendency to copy our patents' behaviors.
Answered 5/3/2013
5.1k views
Heredity is the most: Common underlying factor in development of adhd; heritability is estimated ~ 76%. Molecular genetic studies show specific alleles (alternate forms of a gene found at the same site on a chromosome) in family members with adhd differ from those of family members without adhd. Environmental factors before & after birth contribute, also. Multiple candidate genes are being studied; stay tuned.
Answered 8/5/2013
5.1k views
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