 Phylogenetic Tree
Today's dog breeds are the result of years
of selective breeding for specific traits.
The wolf, Canis lupus, may well be
a common ancestor of all dogs.
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Basset Hound
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Chinese Shar-Pei
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Boxer
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Bulldog
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Doberman Pincher
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German Shepherd
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Pug
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Beagle
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Draw a phylogenetic tree of the dog breeds above showing the wolf as their original ancestor.
- What identifying characteristics are shared by ALL dogs?
- Based on Cladistics, is the Chinese Shar-Pei more closely related to the Bulldog or the Doberman Pincher?
- Propose a hypothesis explaining how the long legs of the wolf have been changed into the short legs of the basset hound.
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