Do you mean a tabby cat (striped)?
Not all cats get along together and any time you introduce cats there's going to be a time of hissing and growling before they adjust.
So yes, a tabby cat Can get along with another cat, but it's no guarantee.
Yes, neutered male cats generally get along well with spayed female cats. Neutering reduces aggressive behavior and territorial instincts in male cats, making them more likely to peacefully coexist with female cats.
yes
No, neutered male cats cannot mate because they have been surgically sterilized, preventing them from reproducing.
Male cats are neutered and female cats are spayed.
Yes
Female cats get spayed. Male cats get neutered. It's the smart thing to do.
have them neutered
No, but if you do they will be less vicious and they won't wander as far from home. (I have 4 cats and 2 are male. 1 is neutered and the other isn't. The neutered one doesn't have a care in life but the other one is still a big softy! It depends what your cat is like. Also, un-neutered male cats like to spray to mark their territory!) Hope this was useful to you.
No, neutered cats do not have testicles. Neutering involves the surgical removal of a male cat's testicles, which eliminates their ability to reproduce.
A neutered cat is male so he cannot have kittens. If he's neutered, he cannot father kittens either.
If they are agitated by each other, by their surroundings, or are stressed, then they can.
Male cats spray as they are more territorial than uneutured male cats. Also I think it may have something to do with attracting a mate. However, some neutered males will still spray if neutered later in life, mainly because it is now "habit". You might need to teach the cat that spraying is not acceptable.