To Be Mother and Father (happy ending)
It will result in a higher rate of miscarriages due to birth defects, but it will also greatly reduce the risk of genetic disorders due to inbreeding.
Lazy Sunday
Such a mating was strictly taboo, for the blood often resulted in grossly mutated and defective eggs. it was not unheard of for gryphons and dragons to have sex, but any eggs that resulted from such a coupling... smashing them was considered a mercy.
Task Force - Departure
It appears that someone defected from the new world order. our guys want him bad for the information he claims to have. the problem is that, so does the enemy. the only difference is that they want him dead.
The secret adventures of Tails Prower I
Miles prower (who hated his given name and preferred to be called 'tails' due his unique birth defect) was about to go through a life changing experience that he would never forget.
Growth 3
Two defective products in one day could be counted as normal, but two defective products that seemed to take on a life of their own and cause revolutions such as this was almost too much for the business suit wearing fox.
Fates of the Unicorns 82 - Bloom
"this one might be defective after all." the mare had been watching, wincing visibly as the blue was beaten off the larger dragoness. "mistress... maybe he needs bigger hatchlings to play with?
Pokemon: Domestic to feral :Escape
Tavi was pathetically small for a flareon, he had decided that either the evolution stone that had been used on him had been defective or he was defective just like his trainer kept telling him.
Chapter 6: Golden Marriage
It turns out that your family lines are completely free of all known genetic defects." it's why they chose you." replied the dalmation in the middle, handing winston a group of files, the top being marked lacey.
Loving and Lusting for My Brother Chapter 5
Rodya clearly has some form of psychosis, a birth defect perhaps. you malakai, you seem to have fallen into this incestuous line of thinking out of situational convenience.
Refraction: intro/sneekpeak
Looking it over no visible defects could be seen. matt looked around once more, this time seeing a path he must of not noticed. he then gazed over the two ways he could go. he chose to go to his right.
The Machine - PART I
Maybe the pilot had landed because of an emergency or defect and left it behind? and what if the pilot was still in there, injured and in the need of help? he sneaked around the ship and found an open gate with a ramp at what seemed to be the front.
All about the Evocanis (Part 1)
This apparently became more erratic when the defective gene was replaced. it seems that fertility and longevity don't go in hand.