Small and Large Dogs- How Size Variations Can Help Us Learn More About Diseases We Share With Dogs

Ogs are wolves’ descendants, but today’s domestic dogs are very different from those of long ago.The various dog breeds exhibit the greatest size variation of any land-dwelling animal.It is essential to investigate the variation in size that can be found in dogs due to the fact that humans and dogs share approximately 85% of our genetic makeup with canines in general and have more than 200 diseases in common.Smaller wolves probably existed in the past, but we do not know for sure.Men in ancient times were more likely to treat these smaller canines as pets.This marked the beginning of man’s desire to breed smaller dogs for a variety of purposes, including herding, watching for intruders, and hunting.
We have dogs of varying sizes as a result of breeders’ use of selective breeding hundreds of years ago.Each litter’s smallest dogs were bred together, resulting in ever-smaller dogs.The bloodlines of purebred dogs eventually became less pure, and the purest members of each breed eventually went extinct.Because of this, we can learn so much from the diseases that dogs and humans share.Cancer, high blood pressure, and arthritis are among these conditions.
One of the chromosomes in small dogs has a mutation that explains how mammals grow from birth to adolescence.We can discover new ways to connect the pieces of the puzzle by studying this gene and the hormone it regulates.
We can discover novel treatments for many diseases that we share by learning more about the similarities between humans and dogs.Dogs truly are man’s best friend in this and other ways.

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