(Image: Wikimedia Commons, CC SA 3.0) The most common type of base pairing is the Watson-Crick base pair, named after James Watson and Francis Crick ... such as G-U and I-A (inosine-adenine), which ...

It is conceivable that non–hydrogen-bonding pairs could be also used to ... but also that extension past the aberrant base pair must occur with reasonably high efficiency. Although extension ...