Science and Technology - Briefs
evolution
Wolves from dogs
Human beings can enrich biodiversity without doing much. Take raising dogs as pets, for example. A study says dogs have helped in the evolution of black colour in wolves. This bodes well for wolves inhabiting fast depleting snow-covered northern environments like the Arctic tundra. While hunting, the dark colour helps them merge with surroundings. Using genetic analysis of grey wolf populations from North America, a team of biologists traced the source of the gene to domesticated dogs. They concluded that the trait resulted from mating between the original grey wolf species (Canis lupus) and their canine relatives, the dogs, which had obviously strayed into the wolves
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