If a left-handed person who had one left-handed parent has children with a left-handed person, what predictions could you make about the handedness of their children?

If a left-handed person who had one left-handed parent has children with a left-handed person, what predictions could you make about the handedness of their children?

It is expedient to know that 3 out of 4 children will be left-handed because it has become a dominant gene over right-handed i. e 3:1

Their children will most likely be left handed