Plyometric exercise creates stress on your body because of the impact (such as moves that involve jumping) and can also cause tearing and inflammation of tendons and ligaments. Isometric exercise, on the other hand, has a low association with injury and is recommended as rehabilitation for those recovering from injury.
The Genotypes would have to be dominant too, but that means multiple options unless you can clarify more but the options would be: Cc, Cc or CC,CC or CC Cc.