Can I migrate from a power PC G4

Read the information in the article - Intel-based Mac: Some migrated applications may need to be updated

You do not identify the version of OS X on your MacBook Pro.

If it is Lion or Mt. Lion; BEWARE: you will lose the option to run your older PowerPC software.

Here is another post I recently listed about this issue:

https://discussions.apple.com/thread/4755971?answerId=21096595022#21096595022