You don't get it, do you, stubby?
'Lethal' genes either kill the foetus (leading to reabsorbtion if early) or, if not fully expressed, lead to shortened life/health problems. I never mentioned deformity. Whilst it's true that some gene mutations do lead to deformity, it's nort mandatory.
I didn't learn my genetics from the internet, btw.
I couldn't breed from my silver, she's speyed....look that up
You asked me to state my views. I did so. If you have any scientific evidence that what i've said is wrong, then let's be seeing it.