No. As with all simple recessives, you have a 25% chance of matching recessive with recessive on each pup. Each pup has a 25% chance of receiving a recessive gene from each parent. It would take both recessive genes for the trait to be expressed. There is only a 5% chance that three pups out of four in a litter would be affected, and people have written that all five out of a litter of five are affected. The percentages would then be much, much lower than 5%. I am a poker player from way back, and there's no way I would bet the farm on a 5% chance of anything. We are simply expressing opinions here. There are no firm answers. Auto immune sounds good, but thyroid sounds better. Myra
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