Pedigree. Here is a pedigree depicting X-linked recessive inheritance. These traits are often passed from a carrier mother to an affected son. X-linked traits are never passed from father to son.
Swing state definition, a state of the U.S. in which the Democratic and Republican candidates both have a good chance of winning and that is considered key to the outcome of a presidential election: the swing states of Ohio and Indiana. See more.
For the film of the same name, see Swing State (film) . Swing states in the 2012 presidential election. President Barack Obama won the nationwide popular vote by ~4 percentage points; this won him the bulk of the closely contested states, losing only North Carolina.