Add WBUR to your morning routineAdvertisement<iframe width="100%" height="124" scrolling="no" frameborder="no" src="https://player.wbur.org/news/2018/07/25/dog-dna-testing-nature"></iframe>When Petunia, a 13-year-old pug, started having trouble walking, her concerned owners bought a $65 genetic test. It turned up
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