Apple Logic Pro 9 - Manual (Page 493)

To cut a take region
µ
Click the take region using the Scissors tool.
You now have multiple take regions on the same take lane.
You can also make cuts of equal intervals across a single take region.
To make multiple cuts across a take region
µ
Option-click the take region using the Scissors tool.
493 Chapter 15 Editing Audio Take Recordings