One of the identical twin brother is adopted by a socio-economically rich family and the other by a poor family. After one year, which one of the following may be most likely observed about the IQ scores?

Options

A. The boy with rich socio-economic family will score greater than the boy with poor family
B. Both of them will score equally
C. The boy with poor family will score greater than the boy with rich socio-economic family
D. Socio-economic level does not affect the IQ score

Answer

D