Answer:
yes the above statement is true.natural selection is not dis credit.
Explanation:
In order to support my answer we just take an example of mutation in an organism as the mutation in organism occur and is useful for the survival of the organism we called the mutation as the good mutation. Thus it is true that some mutation that cause disease and is disadvantageous for the survival of organism. Albino is a case studied here which is abnormal skin color and the skin color as the advantage to camouflage in the surrounding and the organism which can not camouflage will not survive properly because the can not protect them from the predator.