[EvaNoel]

Originally Posted by Amazing Yorkies

Years ago, I went to an AKC seminar on Line Breeding, and it was explained that line breeding can be a useful tool to set the good things in a line, but can also bring out the bad things, very bad things! Only a knowledgeable breeder should attempt. When line breeding, you need to know your genetics, your flaws, your health background, and what you are trying to accomplish.
NEVER should son be bred to mother. Sons get their x chromosome from his mother. Breeding basically the same chromosome.
I would say, be careful who is doing the breeding, and why.

True. That's the reason I raised an eyebrow when I read that Huddersfield Ben was a product of a mother/son pairing.