Ancient dog cancer still around today after 10,000 years

Dogs have been man’s best friend for more than 10,000 years, but a new study shows it has been a doggone tough road to get here: Their ancestors in the Americas likely came from Siberia, and these early dog populations almost totally disappeared, but not before leaving a cancerous tumor that is still found in their canine descendants today. The post Ancient dog cancer still around today after 10,000 years appeared first on Knowridge Science Report. …read more Source:: Knowridge Science Report       

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