That's my point. By "common ancestor" I meant, common ancestor common to them only. That's what I find to be unlikely.
And yes, you are right about this. There is plenty of vids on YT that explain the math
That's my point. By "common ancestor" I meant, common ancestor common to them only. That's what I find to be unlikely.
And yes, you are right about this. There is plenty of vids on YT that explain the math