Short answer: yes.
You can split the recorded track and delete the section you don't want. loop that section, give yourself a bar or two for count in and then replay the guitar part.
iPad 2, iPhone 5, Mac Mini
iRig Keys, iRig Mic, iRig guitar, You Rock Guitar (midi guitar) Mobile In Guitar, GarageBand, Alchemy, Sunrizer, Cubasis, Music Studio, Amplitube, Mobile POD, MultiTrack, bs-16i, SampleTank, AudioBus, AmpKit, JamUp XT, G2M
Epiphone Les Paul Special GT
Music For iPad