Jack and John Are Identical Twins Who Were Separated at Birth

question 123

Multiple Choice

Jack and John are identical twins who were separated at birth, and live in two very different environments in different parts of the country. Both of them grew up to be policemen, marry nurses, and have two kids. Jack likes to be outside and active, while John likes to stay inside and relax when he can. It is likely that these two twins who grew up apart:

• A)have a heritability score of .75.
• B)are both highly similar to their biological father.
• C)were raised by very similar stepparents.
• D)are more alike than most non-twin siblings who grew up together.

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Definitions:

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