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.
swing. 1  a fluctuation, as in some business activity, voting pattern etc. ( 2 as modifier) able to bring about a swing in a voting pattern: swing party. ( 3 as modifier) having a mixed voting history, and thus becoming a target for political election campaigners: a swing state.