Family and twin studies examining the rates of autism spectrum disorder have pro

Question

Family and twin studies examining the rates of autism spectrum disorder have provided compelling evidence for a genetic influence in the development of the condition. In fact, the concordance rate of autism spectrum disorder was ______ in identical twins (Ronald & Hoekstra, 2011).

varying between 40% and 49%

24% to 28%, or maybe slightly less

steady, at 50% to 55%

76% to 88%, and possibly more

varying between 40% and 49%

24% to 28%, or maybe slightly less

steady, at 50% to 55%

76% to 88%, and possibly more

Explanation / Answer

option C.

Concordance % = Number of Concordant Twin Pairs / Total Number of Twin Pairs.

Identical twin pairs share the genetic matter .

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