Tryon's Classic Study of the Breeding of "Maze-Bright" and "Maze-Dull

Multiple Choice

Tryon's classic study of the breeding of "maze-bright" and "maze-dull" rat strains demonstrated​

A) ​that after several generations of breeding, the slowest "maze-bright" rat outperformed the best "maze-dull" rat.
B) ​that after several generations of breeding, there were no differences in the "maze-bright" and "maze-dull" rats.
C) ​the fallacy of eugenics.
D) ​the power of extinction and spontaneous recovery.