Multiple Choice
Jack and Emily are twins. Because he is a boy, Jack's dad and mom encourage him to run. On the other hand, Jack's mom and dad discourage Emily from engaging in athletic activity. As a result Jack is much faster at running than Emily is. What best explains the difference in Jack and Emily's behaviour?
A) nonshared environmental influences
B) active gene-environment relations
C) polygenetic effects
D) niche-picking
Correct Answer:
Verified
Correct Answer:
Verified
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