Multiple Choice
Research conducted with twins indicates that genetic factors appear to account for approximately 39 to 58 percent of the variation in traits,while unique or individual environments account for about ____________.
A) 12 to 21 percent
B) 26 to 36 percent
C) 51 to 61 percent
D) 36 to 56 percent
Correct Answer:

Verified
Correct Answer:
Verified
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