Multiple Choice
Red and his friends are construction workers. After work, they work out intensively at the gym. Most either jog or cycle in addition to these activities. Based on the study of Finnish twins described in the text, about ______ of the variation among Red and his friends in the percentage of body fat reflects genetics.
A) 20%
B) 50%
C) 70%
D) 90%
Correct Answer:
Verified
Correct Answer:
Verified
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