Black cats are black because of high levels of eumelanin pigment, and the gene that produces it is dominant. A kitten only needs one black gene from a parent to have a black coat.

6 0

21 2

15 2

22 4

22 1

3 0

5 1

8 1

0 0

5 0

49 5

1 0

47 2

31 4

19 1

12 2