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Black x Black (BB x BB)
All puppies will be black
X
Black x Black (carries brown) (BB x Bb)
All puppies will be black and may be brown carrier.
X
Black x Brown (BB x bb)
All puppies will be black, all will be brown carrier.
X
Black (carries brown) x Brown (Bb x bb)
The puppies will be black or brown
X
Brown x Brown (bb x bb)
All puppies will be brown
X
Black and tan x Agouti (BB at/at x BB aw/aw)
All puppies will be agouti.
X
black and tan (carries brown) x agouti (carries brown and black and tan) (Bb x at/at x Bb at/aw)
The puppies will be black and tan and agouti.
X
black and tan (carries brown) x agouti (carries brown and black and tan) (Bb x at/at x Bb at/aw)
The puppies may have all three colours.
X