Thank you again everyone. Yes, I've been sharing LeTigre's info all along in YouTube mostly.
Nokota, Chimerism is one cause of a brindle coat pattern, but it is not the only cause. Unfortunately, they have been unable to determine the other causes, as far as I know. I do know of other brindles that were tested and proven not to be chimera. Also, Chimera cannot pass on their brindle pattern. The other type of brindle can pass it on. When I have LeTigre DNA tested for Chimera, I HOPE it comes back negative. Then I will know there there is a possibility of someday (NOT RIGHT NOW) having a brindle baby out of her.