Yes.
Yes. A Bengal tiger is normally white, but can be orange.
As a natural event, yes. But there are white Siberian/Bengal hybrids in captivity.
yes
yes they are
Yes. White tigers have a mutation in their genes that makes them white, and they are the offspring of siberian tigers and bengal tigers.
Yes
A white tiger is a variation of the Bengal tiger that is white with black stripes instead of orange with black stripes. All white tigers are Bengal tigers, but not all Bengal tigers are white tigers.
the ancestor of the white bengal tigers are saber-toothed tigers
Nope. White tigers and white lions are different breeds of large cats. Just like regular lions and tigers are different, and look different (male lions have manes, tigers have stripes for instance), the white versions of each are also different.
The white tiger is, at least originally, a Bengal tiger color morph. White tigers occur very rarely in Bengal tiger litters, and are sometimes bred with Siberian tigers to make white Bengal/Siberian hybrids.
White Bengal tigers are the ONLY white tiger, white Siberian tigers do not exist. People just mistake white Bengals for siberians.
Yes. The "white tiger" is a Bengal tiger with a white coat. The coat color is determined by a recessive gene that is specific to the Bengal subspecies.