Xbox One and Xbox 360, 2 profiles or 1?

[hops911]

I understand that Xbox 360 progress/stats will not migrate to the Xbox One version of the game but, if I start playing on Xbox One, will I have two separate progressions(profiles), or will my Xbox One progress overwrite the 360 progress?

I've read somewhere that you will be able to transfer over some unlocked characters from GW1 to GW2.  Assuming you have both 360 and One progressions, any word on if GW2 will allow you to pick which profile you want to carry over?

Thanks.

[OverclockdToastr]

For GW1, the progress is not cross platform, so when playing on both consoles, you will have two profiles

As for GW2, I haven't been paying attention, so I wont be of any help.