Rabbits if my knowledge on rodents doesn’t betray me.
A pedigree allows for simple organization of a family tree and any possible disease that may be passed on. It is better than a written passage because it is visual; people can see the pattern of inheritance.
Pedigrees are organized like a family trees. The first ancestors are at the top, and their progeny are connected below them. As a result, this makes the pattern easy to follow.
Yes, Christians do believe that Saul was a historical person, as he was mentioned in the Old Testament (which is a Holy Text of both Christianity and Judaism).
Religion sometimes meddles with government matters when it concerns morality. Laws are made out of implementing order, and stopping people from committing immoral acts. But for liberated countries like USA, the Church does not strongly meddle with issues like homosexuality because of their modernist views. But there must really be a boundary between Church and governments to avoid conflicts.