2 or more.
Sandstorm, because she mated with firestar
Yes.
You can't tell except by watching them mate. If the female is in heat and there are many males around it is most likely one if not more have mated with her.
As innocent as you think your kitty is, it is impossible for a cat to conceive without intercourse.
If you have a boy cat, that probably means that she has mated with your cat.
If your cat has been outside while she has been in heat, she has mated. Keep her inside until her heat period has passed. One kitten is produced per mating. Cat gestation is roughly 9 weeks.
Because they have not gotten spayed yet and have mated with a male cat, who fertilized the female and then they had kittens.
You can get an idea if you know how many times she mated, since that causes the eggs to release from the ovaries. Four to six kittens is common for cats who mated over several days.
no they will just inherit the same genes
it would be a black or yellow cat. possibly it could be be mixed colors but not very common
As many times as much the cat wants to eat, although house cats are usually fed two to three times a day to prevent the cat overeating.
she cold be preagnant or have and infection or she could have just mated