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.
So the more densely populated states â like California, for example â are especially valuable, along with the so-called swing states. Using the 270toWin.com map tool, here's a break down of each state's electoral voting power for the 2016 election, based on a forecast by the Rothenberg & Gonzales Political Report: