Sentences with phrase «many years of selective breeding»

Nearly all modern fruits, vegetables, meats and animal products are derived from thousands of years of selective breeding to increase size and fat / sugar content.
Features of the sheep's coat and the rise of textile crafts in teracted to motivate the thousands of years of selective breeding that led to modern fleece types
Thousands of years of selective breeding have turned man's best friend into the ideal lab rat to study the genetic underpinnings of personality
After ten years of selective breeding however, the incidence of moderate and severe cases of hip dysplasia didn't change.
All things considered, the breed definitely blends speed, strength, and trainability due to its large, agile frame and over a hundred years of selective breeding.
«It is now generally agreed that the ancestor of the modern dog is the wolf... [the] process of domestication where our ancestors removed the «wildness» from the wolf, involved thousands of years of selective breeding... In this process, our ancestors produced hundreds of «different looking wolves»... our ancestors made only two basic changes to the wolf.
After years of selective breeding and careful offspring management, the result was impeccable — a functional, all - purpose hunting dog.
Also known as Australian Heeler, Hall's Heeler, Blue Heeler, Red Heeler and Queensland Heeler, the Australian Cattle Dog originated in Australia in the 19th century and is the product of years of selective breeding to obtain the ideal herding dog.
It took hundreds of years of selective breeding to create dogs aggressive enough that they were fit for bull - and bear - baiting.
In the meantime, after hundreds of years of selective breeding, aggression is now in their DNA.
Experts think that dogs» tendency to copy us came about through thousands of years of selective breeding and training.
Thousands of years of selective breeding have turned man's best friend into the ideal lab rat to study the genetic underpinnings of personality
Years of selective breeding, has created the American Bully.
Years of selective breeding and the careful recording of many generations of cats guarantee that each litter of kittens will have specific qualities.
Domesticated canines are thousands of years of selective breeding from their wild counterparts.
After all, this basic notion is the reason for thousands of years of selective breeding in the dog world — it's why we've been able to develop specific lines of dogs who are consistently driven to retrieve things, herd sheep, guard our homes, or track rabbits without any formal training at all.
Part of what makes dogs so wonderful is that through thousands of years of selective breeding, human have made a dog for every lifestyle and personality type.
Years of selective breeding has had the side - effect that some breeds are genetically predisposed to conditions which shorten life - the reverse of hybrid vigour.
Through thousands of years of selective breeding, the crop has evolved to be more resilient to harsh environmental conditions than other cereals, such as maize and wheat.

Not exact matches

The species of wheat that we in the West use for bread only developed in the last few thousand years as a result of two instances of sympatric speciation (different to selective breeding, but an agent of evolution none the less).
After many years of such selective breeding, the resultant dogs would differ so much in body shape, leg length and, perhaps, lung capacity to their ancestor as to be considered a separate breed.
If, for example, a dog breeder only ever allows the fastest male dogs to breed with the fastest female dogs, after many years of such selective breeding the resultant dogs will differ so much in body shape, leg length and, perhaps, lung capacity from their ancestor as to be considered a separate breed.
If, for example, a hunter - gatherer only ever allows the fastest male dogs to breed with the fastest female dogs, after many years of such selective breeding the resultant dogs would differ so much in body shape, leg length and, perhaps, lung capacity from their ancestor as to be considered a separate breed.
The species of wheat that we in the West use for bread only developed in the last few thousand years as a result of two episodes of sympatric speciation (different to selective breeding, but an agent of evolution none the less) and the various Shiraz, Char.donnay and Pinot Noir gra.pes we enjoy today, in the form of wine, were all developed and perfected in the last 100 years or so.
(Ill - fitting because humans have been indirectly, and much less precisely, modifying plant and animal genomes for thousands of years via selective breeding, and evolution has been doing it for as long as there has been life on Earth.)
Genetic modification and selective breeding to increase crop yields over the years has dramatically changed the genetics and chemical composition of wheat.
Only in the last one hundred years has selective breeding caught on — synonymous with the rise of the cat as a companion.
And even more dramatic changes have been wrought on dogs in the last about 3000 years as a consequence of intensive selective breeding.
A lot of purebred dogs have special diet requirements: years of selective inbreeding, necessary to achieve the desired «look» of some breeds, have resulted in terrifically unhealthy dogs that are prone to a variety of debilitating and painful diseases.
Bernese Mountain Dogs have developed their wonderful qualities due to years of careful, selective breeding by dedicated, knowledgeable breeders.
Dogs and canines were domesticated between 10,000 and 35,000 years ago through selective breeding, suggesting the earliest dogs presumably arose once we, humans, were still searching and gathering, way before the appearance of agriculture.
Over many generations of selective breeding, we've worked to maximize the qualities required for a working guide dog and minimize health problems that could disrupt or shorten a guide dog's working years.
Over the years, selective breeding and the weeding out of specimens that failed to conform to the required standard has resulted in a marked improvement in the breed.
People in the late 19th and early 20th centuries didn't have the scientific knowledge of current canine genetics, but they did understand from years of raising farm animals how selective breeding worked.
Selective breeding with the smallest of these dogs gradually changed the breed over the years.
If I remember properly the (selective breeding) was done with the project in about 10 years as» selective breeding» changes have to thru generations of the animal to make a change into a standard.
They are gorgeous, as selective breeding has, in just 20 years, produced a number of color and pattern variations.
Most of these breeds exploded onto the scene over the past 150 years, spurred by the Victorian - era passion for the «dog fancy» — the selective breeding of dogs to enhance particular characteristics.
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