Studies of adopted children and identical twins have found that
A) genetic factors are important in weight and fat distribution.
B) environmental factors are more important than genetic factors in determining weight.
C) genetic factors are more important for men, and environmental factors are more important for women in determining weight.
D) genetic factors are more important for women, and environmental factors are more important for men in determining weight.
Question 2
The history of the human species has been marked mostly by shortages of food,
A) which would make a thrifty metabolism a survival advantage.
B) which lends support to the concept of the set-point.
C) which casts doubt on the positive incentive model.
D) which casts doubt on the role of hormones in weight regulation.
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