Dear MEL
Topic Readers,
Family tree
of dogs reveals secret history of canines
How dogs look
and how they have evolved don’t always match. Researchers found that there are
23 groups of dog breeds after analyzing the genetics of 161 modern dog breeds. Some
of the dog breeds share the same roots but others don’t. For example, while
hunting dogs, such as the spaniels, the pointers, the setters and the
retrievers, seem to have developed in one place, herding dogs, such as the collies
and the shepherds, don’t share the same genetic characteristics.
By
identifying dogs’ genetic similarities, they could be better treated when they
suffer from certain diseases, or given appropriate prevention measures because
some group of dogs are vulnerable to certain diseases.
Enjoy reading
and learning about humans’ closest and longest partners.
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