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And then you notice there's a little bit of dark schmutzy material.

Crisp or crinkled, factory-fresh or schmutzy, they’re ubiquitous, just visual white noise.

“It put some pieces of the puzzle together,” says Lisa Topol, who recently tested her mixed-breed dogs Plop and Schmutzy.

Plop was the top-scoring mixed-breed, and Schmutzy also competed, in Saturday’s agility contest at the Westminster Kennel Club dog show.

But Schmutzy’s genetic pie chart had surprise ingredients, including generous amounts of Labrador retriever and Doberman pinscher.