How old does a puppy chihuahua have to be before knowing if it will have…

How old does a puppy chihuahua have to be before knowing if it will have a overbite? And is it hereditary?

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Anonymous
Anonymous
5 years ago

did you buy this puppy from a breeder? as i understand it, bite problems are hereditary and should be removed from breeding programs.  if you did purchase this dog from a breeder, i would be very concerned about what other health testing they missed.