well it depends, i could and could not
yes
yes
Yes, a purebred Singapura can be black and white in color.
A purebred Old English Sheepdog can be black and white. They are most commonly grey and white.
Yes, the purebred Italian Greyhound dog breed can have a black and white coat.
Black chickens like white chickens and white chickens like black chickens.
Some purebred British Shorthair cats are black and white in coat color.
Both alleles for feather color are dominant.
A purebred Norwegian Forest cat are not found in the color white. They do however are brown, black and white and gold in color.
A purebred Norwegian Forest cat can be the color black. The only color these kind of cats cannot be is a solid white.
No. Black Angus cows are all black. You can only get black cows with white faces if they have a sire as a Hereford or traditional Simmental. These cows are called "black baldies" and should never considered as purebred Angus because they are not purebred at all: they are crossbreds.
Yes, there are some purebred Scottish Fold cats that are black.