COLOUR
B Black
Chocolate
Cinnamon
Red (sex-linked)
bb Chocolate
blbll Cinnamon
O Red (sex-linked)
These colours are all DD or Dd
D Dense
d Dilute
Dilute version of above
Bdd Blue
bbdd Lilac
blbldd Fawn
Odd Cream (sex-linked)
W White ww non-white
Dm Dilute modifier
Changes Blue, Lilac, Fawn to Caramel and Cream to Apricot
ee Extension gene (Note 1)
Changes Black to Amber
Russet (Note 2)
Changes Seal to Russet
NOTE 1: Formerly known as bm Black Modifier
At present, found only in Norwegian FC
See Amber NFC
NOTE 2: May be related to Extension gene
At present, found only in NZ Burmese
See Russet Burmese
PATTERN
A Agouti aa non-agouti
Ticked Agouti (Note 3)
TK Ticked tk non-ticked
Non-ticked Agouti will show one of the following patterns
Tb non-blotched (Mackerel)
tbtb blotched (Classic)
SP Spotted modifier
Breaks up non-ticked Tabby pattern
I Inhibitor (Silver/Smoke)
i i non-inhibitor (nonSilver/Smoke)
Wb Wideband
Defines depth of silvered hair
C Full Colour
cbcb Sepia
cbcs Mink
cscs Pointed
S White Spotting (Bicolour)
Note 3: Formerly TA to signify Ticked allele on Tabby gene. Now known to be separate gene TK proposed. See Coat Patterns
BREED
Cu American Curl (Dominant)
rr Cornish Rex (Recessive)
re Devon Rex (Note 4)
hr Sphynx (Note 4)
Jb Japanese Bobtail (Note 5)
Kurilian (as Japanese Bobtail)
Lp LaPerm (Dominant)
l l Longhair (Recessive)
M Manx (Dominant)
Mk Munchkin (Dominant)
Pixiebob (as Manx)
Pd Polydactyl (Dominant)
Fd Scottish Fold (Note 6)
Se Selkirk Rex (Dominant)
Wh Wirehair (Dominant)
NOTE 4: Now known to be different alleles on the same gene See Devon Rex/Sphynx
NOTE 5: Dominant with variable expression
NOTE 6: Incomplete Dominant with variable expression. See Folds
