In the Box,"Jumping Genes" in Black Bodies,it Is Noted That

In the box,"Jumping Genes" in Black Bodies,it is noted that much of the research devoted to identifying performance differences by skin color is based on the idea that

A) physical abilities vary from one culture to another depending on climate.
B) skin color is more important for whites than blacks and other people of color.
C) genes operate independently of the physical and social environment.
D) jumping is a complex physical activity influenced by cultural factors.