Multiple Choice
Consider a trait determined entirely by environmental risk factors for which the chance that a random individual is affected is 25%. What is the concordance between identical twins? What is the concordance between same-sex fraternal twins?
A) identical concordance = 1.0; fraternal concordance = 0.167
B) identical concordance = 0.167; fraternal concordance = 0.167
C) identical concordance = 0.167; fraternal concordance = 0.143
D) identical concordance = 0.143; fraternal concordance = 0.143
E) None of the answer options is correct.
Correct Answer:
Verified
Correct Answer:
Verified
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