No, Tabby is a coat pattern
The Siamese cat has temperature-sensitive pigment expression due to the albino gene. The coat pattern is a result of this gene because it is a defective form of tyrosinase that is regulated by the cat's body temperature.
Not all tabby cats are shy. A cat's coat pattern ("tabby" is a term for a certain coat pattern) doesn't depict its personality.
A cat with an "M" pattern on its forehead is a tabby (this is not a breed, it's just a coat pattern which occurs in several different cat breeds and is probably related to the pattern of the wild ancestors of domestic cats). If you want the name of a specific kitten, we can't help you.
A tabby cat refers to a cat's coat pattern, characterized by stripes, swirls, spots, or ticking. A tom cat is a male cat, while a female cat is referred to as a queen.
While tabby cats are grouped together in conversation, they are not a breed. Tabby refers to a cat who has a certain pattern on its coat. The Tabby pattern has dark markings (stripes, swirls, spots) on a paler background. The stripe colour is solid (goes right to the hair root), but the background colour is banded with colour on each individual hair. Many breeds of cat can have the tabby pattern, but is particularly common in moggies.
Seeing as the term "Tabby" is coat pattern found on some cats (and in several breeds), the temperament and personality of a cat has nothing to do with its coat. Each individual cat has its own personality.
coat (as in integument)
The ideal coat texture of a Burmese cat is a silky coat.
The term "tabby" refers to a certain coat pattern which is found on many different breeds of cat. It does not describe its own breed. Because of this, cats with this coat pattern do not have particular health problems. The health of a cat is defined by its own genes and bloodline.
Yes, the purebred Brumese cat can have a tortoiseshell coat.
Yes, the purebred Burmese cat can have a sable coat.