Can Mecanim Animation-Clip properties be edited in script?

Properties like:

• Loop Time

• Loop Pose

• Offset - Bolded because: Typically the root-rotation of animations alters the GameObject's transform.rotation undesirably, which causes some awful transitioning.

Usually this happens between animations that have 'root motion baked into the pose' and those without.

Can these variable be exposed and controlled by script, or curves or something?

Thanks for your time :)