Can you play a guitar through a Bass amp through a guitar cab?

You can but the size of you guitar amp and its speaker will affect the sound.

If you have a larger speaker in your guitar amp you'll probably be able to produce more of the frequencies of the Bass Guitar that a proper bass amp would.

Electric bass Guitars produce a louder sound than electric guitars so be careful not to blow your amp. Turn the volume output down on the bass guitar.

I don't know for sure but I imagine if you don't use care you could probably damage a valve guitar amp by playing a bass too loudly through it.