edit: The reason I find it an odd term is because human ancestry literally doesn’t follow a line. It always branches off, even if only to just include two parents. It’s a tree like structure, a line would misrepresent it
edit: The reason I find it an odd term is because human ancestry literally doesn’t follow a line. It always branches off, even if only to just include two parents. It’s a tree like structure, a line would misrepresent it
Does the line go directly from mom or dad?
Whichever path it takes. It will only go in a single path unless you have some incestuous relationships. And if that happens and multiple routes work, it doesn’t matter which one you take.