Seconded.
Portfolio work is supposed to represent your best work. Since tutorials aren’t your work, they don’t really belong on your portfolio.
That being said, feel free to post your tutorial results, and the way you deviated and/or experimented with that, here on the forums!
If future employers ask to see more of your work, or want to know about your developement, you can alway link them here, or to some kind of blog.