It sounds as though you are speaking from the standpoint that genes mutate at random in all and any "directions" (net). However, non-successful genes are elimin

It sounds as though you are speaking from the standpoint that genes mutate at random in all and any "directions" (net). However, non-successful genes are eliminated, so in the effective sense it is (gross). The direction of evolution is towards being "more suitable" for a particular environment.