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Australian labradoodles are mostly poodle, genetic analysis reveals

Breeding a Labrador retriever with a poodle results in playful, curly haired, first-generation labradoodle puppies that are a 50-50 cross between the two breeds. But when researchers analyzed 21 Australian labradoodles’ DNA and compared it with the DNA of purebred labs and poodles, they found that the genomes of later generations of labradoodles are almost entirely comprised of poodle DNA, New Scientist reports. When breeders select labradoodles that have the soft, curly coats of poodles, researchers suggest this week in PLOS Genetics, other large portions of poodle DNA hitch a ride on those chromosomes.

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