All of these cats have the A gene with either an A, Ab, a, or ab secondary gene
Black Tabby
Important genes:
A-/B-/DD
Full Sequence:
A-/B-/C-/DD/pd-/Mc-/spsp/ww/ii/U-/tata/Ey-/L-
Gray Tabby
Important genes:
A-/B-/Dd
Full Sequence:
A-/B-/C-/Dd/pd-/Mc-/spsp/ww/ii/U-/tata/Ey-/L-
Pale Gray Tabby
Important genes:
A-/B-/dd
Full Sequence:
A-/B-/C-/dd/pd-/Mc-/spsp/ww/ii/U-/tata/Ey-/L-
abab - Bicolor Self
a_ - Solid Self
A_ - Solid Tabby
Ab_ - Bicolor Tabby
abab - Bicolor Self
abab - Bicolor Self