Theese genes controles the tabby
pattern.
There are three (four) different tabby patterns in cats.
| [TaTa] |
Aby. Tick Tabby |
| [TaT]
Tatb] [Ta-] |
Tick Tabby |
| [TT] [Ttb]
[T-] |
Spotted / Mackerel |
| [tbtb] |
Blotched / Classic |
The homozygos Tick Tabby has les
tabbymarking in the head and on the legs and tail. In Oriental Shorthair
and Javanese (Oriental Longhair) the showcat has to be the heterozygos type
with more tabbymarking in head and on legs and tail.
Ta partly dominates T and tb
T dominates tb