There could be an animal (or human) that is born with a "perfect genetic code."
The concept of a "perfect genetic" code, from which any change or mutation would be a loss of perfection, is a strictly Creation Science idea. Perfection is not a part of the theory of evolution.
"Perfect" in relation to what?
Climates, microclimates, environments, habitats, and biomes are always changing in a variety of ways, some slowly and some more rapidly.
What may be "perfect" in one setting may not be so good in another.
Religious belief does not constitute scientific evidence, nor does it convey scientific knowledge.
Belief gets in the way of learning--Robert A. Heinlein
In the name of diversity, college student demands to be kept in ignorance of the culture that made diversity a value--StultisTheFool
It's not what we don't know that hurts, it's what we know that ain't so--Will Rogers
If I am entitled to something, someone else is obliged to pay--Jerry Pournelle
If a religion's teachings are true, then it should have nothing to fear from science...--dwise1
"Multiculturalism" demands that the US be tolerant of everything except its own past, culture, traditions, and identity.
Liberals claim to want to give a hearing to other views, but then are shocked and offended to discover that there are other points of view--William F. Buckley Jr.