Marshall and Joe are brothers. Both are very interested in board games and both are very intellectual. Marshall is very kind and caring while Joe is a bit of a nerd
What is the role that genetics has likely played in the personalities of the two brothers?
A) most likely nothing, it is all about life experience
B) maybe some, after all, they probably grew up together
C) even split, genetics and life experience have shaped them
D) probably little, genetics are a big factor
E) everything, you are who you are
C
Explanation: C) Researchers have found through twin studies that genetics play about 50% of the role in determining one's personality.
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Indicate whether the statement is true or false
A pairwise comparison rating of 9 means that the two alternatives are
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