Research Has Shown That Children with a Specific Variant of the DRD4

Multiple Choice

Research has shown that children with a specific variant of the DRD4 gene

A) are not affected by the quality of environment.
B) are less likely to benefit from high-quality child cares than those without the variant.
C) are more likely to be harmed by prenatal stress than those without the variant.
D) are no different from those without the variant when it comes to temperament.