In a Behavioural Genetics Study Reported by Turkheimer (2003) It

In a behavioural genetics study reported by Turkheimer (2003) it was found that educational achievement was...

A) Largely genetic for poorer children, largely environmental for well-off children
B) Largely genetic for well-off children, largely environmental for poorer children
C) largely genetic for both groups of children
D) Largely environmental for both groups of children