Wolfy the Human
Wolfy has seen a few cubs born with the birth defect of being completely non-anthro. they don't know how to talk but manage to get along well enough as long as they aren't dangerous.
Commission: The Animal Inside
Humans pursued this genetic modification _beyond_ just eliminating birth defects and pushed them to physical alterations.
Viewpoints - Eric
He'd heard of birth defects that caused two tails on occasion, but this was... all of them were fully formed and swishy like cat tails, not as rigid as proper fox tails. "bye, wolfy.
Roadie Chapter 11: The Show
The two rats looked at him, each raising a different brow in confusion, "my dad has purple fur as a birth defect. and i got pink fur as a result. it's not uncommon, but it happens." squinting with pierced brows, the rat leaned in closer.
Horndogs - Chapter 5: The Begining of The End
You see, it's said to be a birth defect to keep the story short. he never considered it to be, he actually thought it was the most awesome thing that could ever happen to a wolf. i agreed.
Pathologizing the Daxy
These advances will allow people who in times prior would have died naturally through congenital birth defects and other physical or mental disabilities to survived and allow them to pass on their dysgenic genes to the rest of the population.
What We Are in the Dark
Kobolds, most historians agreed, were dragons with birth defects, driven extinct over three millennia ago, or never existed in the first place. but here this little creature, barely coming up to any of the bat's thighs, bowed deeply to derada.
A Warm Welcome Party
Probably some sort of illness or birth defect... no, wait a minute... that couldn't be why. as he looked, it was almost like he was staring into the eyes of a... wolf. the president felt the hair on the back of his neck stand on end.
The Comforting Words of a Reptile Stranger
The biggest thing andrew feared in meeting chris was the fact that he had been born with a birth defect in his cock to where it seemed like there was a vagina there instead of a little stub of a cock when andrew didn't shave his pubic hair regularly.
Hirsune Pt.2 - Getting to Know You
With humans, there's a much greater chance for too similar dna to bond, which causes the birth defects. that's why incest is taboo among humans, as they can easily produce deformities in their offspring.
The Journey Goes On... (Illustrated)
Scientists would then randomly match egg and sperm, and after screening for birth defects they would allow the zygote to form. this zygote was implanted on an artificial uterus made of high tech bio-materials.
The First Penitatas - A Day in the Sinking Light
"born prematurely to an unusually young mother; required facial and spinal surgeries due to birth defects; blind in one eye by age nine, the other by thirteen, had implants a year later.