Sentences with phrase «modern breeds lived»

Based on the mutation rate and assuming an average of 7 years between each generation, Wallner estimates the most recent common ancestor to 18 of the 21 modern breeds lived about 700 years ago.

Not exact matches

We learn of scientists» efforts to engineer the first blue rose, and why breeding for longer vase life has caused most modern cut flowers to lose their scent entirely.
For example, we can observe that when males are significantly bigger than females in modern primates, males are likely to live in groups with breeding access to several females.
This at least 5,500 - y - long process, which ultimately transformed wild horses into the hundreds of breeds living today, is difficult to reconstruct from archeological data and modern genetics alone.
That's because most modern dogs have not been bred for city living.
Bred for hundreds of years to be a royal watchdog, the modern Lhasa approaches life the way his forebears did: he is a loyal guardian of home and family.
Hence, the physical and mental characteristics of modern - day Siberians stem back from the hundreds, if not thousands, of years of breeding that went into the development of a suitable dog for Arctic living.
A vast majority, however, live on as ancestors to many favorite modern breeds.
While some breeds are routinely subjected to ear - cropping in the United States, this is almost entirely a cosmetic (and in the opinion of most, cruel) surgical mutilation with its roots in the ancestral jobs of certain working breeds, but which has no relevance in the life of a modern dog — and only very mildly helps to combat ear problems, if at all.
The developer of a neighborhood of modern, look - alike, cookie - cutter homes in Lexington, Ky., apparently wants to also define the breeds of dogs that can live there — or at least stipulate what breeds can not.
The modern - day Siberians were bred into a distinguishable type of animal by the Chukchi, a northern nation currently living throughout the Siberia.
The modern greyhound is more popular as a racing dog then as a show dog, but valiant efforts by greyhound charities to raise the profile of the breed as a pet has meant that increasing numbers of ex-racing greyhounds find their way into the comfort of home life and happily swap the racetrack for a comfy sofa.
Although small in number, with only the Affenpinscher being a rarer AKC Toy breed, today the English Toy Spaniel is beloved by average citizens and quite adaptable to most any modern - era living arrangements, town or country.
An ancient guardian breed refined through the centuries to be uniquely suited to guard livestock and yet intelligent and versatile enough to fit into modern life with grace and humor.
The Uptown Dallas area has also attracted a modern breed of working professionals and urban lovers, who crave the walkability living in the heart of the city affords.
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