Plomin’s IQ-gene study is similar to the chopstic

Plomin’s IQ-gene study is similar to the chopsticks gene finding in that______.

A. there may not be a causal link between gene and intelligence

B. there is a close correlation between gene and intelligence

C. there may be a close relation between chopsticks flexibility and children’s academic score

D. there is not a close relation between chopsticks flexibility and children’s academic score