Sentences with phrase «more ancient lineage»

Not exact matches

As researchers recently sequenced the genomes of more than a dozen ancient members of our species, Homo sapiens, in Europe and Asia in rapid succession, they added a third genetic component: a «ghost» lineage of nomads who blew into northeast Europe from the steppes of western Asia 4000 to 5000 years ago.

But a second domestication in ancient Egypt, before the first millennium B.C., proved more successful: This later lineage spread rapidly around the world via land and sea trade routes — and eventually took over the internet.

Dr Gandini and her co-researchers have reached the conclusion that this lineage is more ancient than previously thought and that it has a deeper presence in Arabia than was earlier believed.

Together with other international partners, Yakimov's team has already identified more than ten new lineages of bacteria and archaea (these are ancient bacteria - like organisms), which they have named the Mediterranean Sea Brine Lake Divisions.

By comparing the V. carteri germ and somatic cell transcriptomes, Matt and Umen found that the somatic cells had more transcripts from young, lineage - specific genes, whereas the germ cells had more transcripts from ancient genes that are similar to those expressed in stem cells from animals and land plants.

Therefore, the second protein is likely a more divergent duplicate of the ancient Boule gene, specific to the Cnidarian lineage.

The Norwegian Elkhound is indeed one of the more ancient breeds that can trace its lineage back to the days of the Vikings.

A study by UC Davis showed that there was a prevalence of genetic disorders in both populations (rescue and bred): «Recently derived breeds or those from similar lineages appeared to be more susceptible to certain disorders that affect all closely related purebred dogs, whereas disorders with equal prevalence in the two populations suggested that those disorders represented more ancient mutations that are widely spread through the dog population.»

The Shar Tzu is the result of crossing a Shih Tzu with a Shar - Pei and while they have ancient lineage; Shih Tzu dates back to Tibet around the year 800 and the Chinese Shar Pei goes back to 200 BC China, the Shar Tzu himself is a little more recent.

Recent DNA studies have cast some doubt on this story of ancient lineage, however, suggesting the Ibizan is a much more recent breed, so at present, the Ibizan's roots are unclear.