Taq writes:
Like the old saying goes, there is more than one way to skin a cat, and that usually applies to be beneficial mutations.
Just a very cursory glance at reality should be sufficient to support that.
How many different forms of locomotion have appeared over history in living creatures?
How many variations just in means of flight?
How about different eye designs?
Or maybe variations on digestive systems?
How many variations on sexual identity are there and what about species that change sex at will?
What about biological things that are both male and female at the same time?
The error throughout this whole excursion into probabilities seems to be the old canard of a desired outcome with no evidence there is such a thing.