But the fact that mutations are 99% deleterious and 1% ineffective makes it impossible for them to be able to produce rational, harmonious and symmetrical organs at exactly the same time.
Lakini ukweli kwamba mabadiliko haya yanasababisha madhara kwa asilimia 99 na ni dhaifu kwa asilimia 1 inapelekea isiwezekane kuzalisha viungo sawa, vyenye mantiki na vinavyoendana kwa wakati mmoja.