Dr Erickson Studied a Number of Monozygotic Twins and Reports

question 408

Multiple Choice

Dr. Erickson studied a number of monozygotic twins and reports that the heritability of friendliness is +1.35. You do not believe him. Why?

• A)The actual heritability is +.90.
• B)He should have studied dizygotic twins.
• C)He should have studied fraternal twins.
• D)He should have studied identical twins.
• E)Heritability cannot exceed +1.0.

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