We have always heard that dogs come from wolves and cats from wild cats like tigers, feral cats, and others. However, both species have gone through a period of domestication that has resulted in the birth of pets we know today. Shed some light on this, information from Nora’s blog about cats has helped shed light on this. According to scientific research, this change is due to genetic mutations in dogs and cats that have allowed these species to come into contact with people and live with them.
Genetic mutations in dogs
Why do we say that the dog is man’s best friend, as we are afraid of wolves? Studies in the US have made an objective and reliable response on this. Everything comes from a real genetic change in dogs but still absent in wolves.
These studies began when we discussed the rare genetic disease syndrome Williams-Beuren, more often known as WBS. In humans, this rare disease is linked to a chromosomal abnormality resulting in the loss of part of the DNA in a chromosome in an individual and creates an extreme need to bond with others.
In 2010, Bridget Von Holdt and Emily Shuldiner worked with a team of researchers to achieve explain why dogs could coexist with humans without any problems. They found an equivalence of WBS in chromosome 6 of the canine genome. The team analyzed a fragment of the canine brain region in which there is this chromosome and then did the same with the brain wolves.
In this research, the researchers found transposons in canine genomes. They have not seen, however, in the genomes of wolves. A transposon is a DNA sequence capable of moving, of excising, and fit independently in a genome. This process influences the personality of the animal and led him to want to bond with humans.
Following this research, we, therefore, think the first domestic dogs’ werewolves carriers of this transposon; they then passed from one generation to another, thereby influencing social behavior and allowing them to coexist with humans.
Gene mutations in cats
Genetic modifications have also occurred in domestic cats, which was corroborated by studies showing they descend tigers and other wild cats. The 20,000 genes that have domestic cats have been studies, making discover at least 281 variations related to other feral cats.
Evolution, time, and cohabitation with humans helped the domestic cats become less wary of getting food. However, this difference in their genes; this also provides them with good memory and makes them more fearful. However, they retain much own wild feline qualities, their territoriality.
Differences between genetic mutations in dogs and cats
Seeing how the two species have evolved a distinct difference between the variations. Dogs have undergone this evolution need to contact as for cats. Their goal was to find something to eat. Both attitudes continue to be very pronounced in our pets, and we can see that the dogs are very dependent on us, while cats are known for their independence and sometimes even for their apathy.
The analysis of these issues awakens our surprise at seeing how genetics may vary and influence the personality, character, and life of an animal, and for those around him. For there is one thing, we are sure: those who love their pets, whether cats or dogs, can say thank you to genetics!