ClosedCaption
Diamond Member
- Sep 15, 2010
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Call me when they become something other than dogs.They have been subjected to intense genetic specialization for 5,000 years, resulting in the greatest intraspecies variation in Earth's history. Despite a 100X size disparity, a Great Dane and a Chihuahua can still (theoretically) mate. Why? Because they are both still DOGS.
Can someone explain why they haven't evolved into different species?
They have
6 Dog Breeds That Have Changed Significantly Over Time
If they become something else how would you know they used to be dogs?