GSD are a, at, aw, as, A
like are in books aw x aw born only aw - wolf grey
A are only teorical black when in dogs are a black dogs
a x a - all black
aw x a - wolfgrey
at x as - black and tan
this are color genetic who not change anatomy, ( bones, head type and moore)
p.s. Your dog can realy help to DNA testing in this case
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