Search results
Results from the WOW.Com Content Network
Selective breeding of both plants and animals has been practiced since prehistory; key species such as wheat, rice, and dogs have been significantly different from their wild ancestors for millennia, and maize, which required especially large changes from teosinte, its wild form, was selectively bred in Mesoamerica.
These genes affect embryogenesis and can confer tameness, smaller jaws, floppy ears, and diminished craniofacial development, which distinguish domesticated dogs from wolves and are considered to reflect domestication syndrome. The study concluded that during early dog domestication, the initial selection was for behavior.
Domestication (not to be confused with the taming of an individual animal [3] [4] [5]), is from the Latin domesticus, 'belonging to the house'. [6] The term remained loosely defined until the 21st century, when the American archaeologist Melinda A. Zeder defined it as a long-term relationship in which humans take over control and care of another organism to gain a predictable supply of a ...
A previous study looked at genetic variants in the genomes of dogs near the abandoned plant, identifying 391 outlier DNA segments that differed between two populations. ... the dogs that survived ...
Inbreeding is a technique used in selective breeding. For example, in livestock breeding , breeders may use inbreeding when trying to establish a new and desirable trait in the stock and for producing distinct families within a breed, but will need to watch for undesirable characteristics in offspring, which can then be eliminated through ...
A study of dog remains indicates that these were selectively bred to be either as sled dogs or as hunting dogs, which implies that a sled dog standard and a hunting dog standard existed at that time. The optimal maximum size for a sled dog is 20–25 kg based on thermo-regulation, and the ancient sled dogs were between 16 and 25 kg.
Here are some of the most common plants that are toxic to dogs, according to Dr Wismer: Sago Palm. This handsome prehistoric-looking palm is the most dangerous houseplant on the list for dogs, ...
Dog breeding is the practice of mating selected dogs with the intention of ... It was concluded that "findings imply that when selective breeding was done by humans ...