The Church teaches that it is "the power and authority that God gives to man to act in all ... priesthood line of authority, which shows how the priesthood has been passed down through generations ...

The same is true of the one priesthood of Christ ... In order that future generations might be able to be present at the once and for all sacrifice of Christ, begun in the upper room and continued ...

Genetic studies among Cohanim from all over the world reveal the ... researchers can estimate roughly how many generations ago members of the priesthood had a common ancestor.

1 Timothy 2:5 This confirms their understanding of the priesthood of all believers because it means that only Jesus can link people to God, and not a special religious priest or church leader.