Editing in Color? You don't edit in Color, you edit in FCP. Your timelines should be LOCKED in Color, so you can't change anything.
Separate sequence? Should be sent to Color as a separate project. Different Color Project for every sequence you have.
And next time, post this in the COLOR forum.
www.shanerosseditor.com
Listen to THE EDIT BAY Podcast on iTunes
[
itunes.apple.com]