Sentences with phrase «of ancient horse»

(A) Geographic origin of ancient horse remains (73.046 ° N, 109.708 ° E).
To place the horse evolutionary history in a chronological context, we estimated the divergence time between the ancestors of the ancient horse population and ancestors of the modern horse populations, as well as the divergence time between the ancestors of Przewalski's horses and domesticated horses.
A specimen of the ancient horse Eurohippus messelensis has been discovered in Germany that preserves a fetus as well as parts of the uterus and associated tissues.
To investigate the history of domestic horses with respect to this charismatic phenotypic character, the scientists analysed a dataset of 201 samples of ancient horse DNA.
Such is the case with an extensive new study of ancient horse DNA, which largely disproves the current theory: that modern horses arose more than 5000 years ago in Kazakhstan.
But a new genetic analysis of ancient horse bones suggests that these horses have a tamed ancestor after all, making them feral rather than wild.
Last week, paleontologist identified the skeleton of an ancient horse that was from an ice age nearly 16000 years ago.
But when Orlando and colleagues examined DNA of ancient horses, they found that the story started completely differently.
More than 500 footprints of ancient horses, rhinos, birds and other animals dotted the area around the hominid tracks.
Importantly, none of the ancient horses analyzed in the study were inbred, which suggests that Scythian breeders succeeded in maintaining natural herd structures and did not perform selection through a limited number of valuable lineages.
We therefore decided to sequence the genome of ancient horses that lived prior to domestication to directly assess how pre-domesticated horses looked like genetically.»
(B) Population model assuming admixture between the descending population of ancient horses and the population that gave rise to domesticated horses [split times in kya (Kyr)-RSB-.
The presence of these SNPs in the ancient horses implies that selection for these traits did not occur on de novo mutations but on existing variation, which was either contributed to the domesticated stock by the ancient population through admixture or was cosegregating in both the ancestors of the ancient horses and the ancestors of the domesticated horses after their split.

Not exact matches

In fact some of the evidence you didn't mention which was popular fodder in the past has already been proven incorrect (horses in the americas before the spanish, and the BofM reference to elephants) Both considered ridiculous errors by Joseph Smith until elephants appeared on ancient Mayan / Incan temples and horses from the Brea tar pits were dated before the spanish.
If they are true believers and not riding some particular hobby horse they must surely say that everything has remained the same that is really necessary for life as well as for death: the crucified and risen Christ, his grace, baptism, the true body and blood of the Lord in the Eucharist, the forgiveness of sins, the expectation of eternal life, the ancient dogma binding on all, the one commandment of the love of God and our neighbour.
You have a wealth of knowledge available to you from centuries of progression and you still want to cling to this ancient, stone age horse ****.
No golden plates, no chariots and steel and horses in ancient America, and the Temple in Salt Lake City is the center of the grift universe!»
And in Doncaster, England, near - octogenarian Robert Sterling Clark wept unabashed when his horse Never Say Die, a Kentucky - bred son of Nasrullah, won the ancient St. Leger before a crowd of 200,000.
With the naked eye he saw a good horse named Ancient Title on the lead and the 1974 Horse of the Year, Forego, saving ground by moving close to the horse named Ancient Title on the lead and the 1974 Horse of the Year, Forego, saving ground by moving close to the Horse of the Year, Forego, saving ground by moving close to the rail.
Their work on ancient DNA from Viking Age horses is more promising: Kool and Boessenkool have collected about 100 samples, in different states of preservation, from which they hope to build a detailed picture of how equine populations moved and changed.
The earliest known domesticated horses were those of the ancient Botai people in northern Kazakhstan (SN: 3/28/09, p. 15).
And since the cost of genome sequencing has plummeted to one - thousandth of its initial cost, it's clear that the Neanderthal, a 700,000 - year - old horse and the woolly mammoth will simply be the first of many ancient genomes to be sequenced.
It is the latest in a series of breakthroughs in ancient DNA, coming just months after the sequencing of the oldest - ever genome, from a 700,000 - year - old horse.
Genetic data from ancient Scythian horses indicates that more than 2,000 years of domestication caused changes in horse genes related to mammary gland development and milk production.
In particular, these ancient horses had many more varieties of Y chromosomes and fewer harmful mutations than horses do now.
Subsequent genetic studies have supported the NCC deficit hypothesis, most recently an April report in Science on the sequencing of 14 ancient horse genomes up to 4,100 years old; that's close to the estimated dawn of domesticated horses some 5,500 years ago.
Horses» wild ancestors are also extinct, but remains from the warrior steeds of Genghis Khan and medieval knights, the Romans» chariot horses and the mounts of the ancient Scythians, Greeks and Persians might fill in gaps in horse history and prehiHorses» wild ancestors are also extinct, but remains from the warrior steeds of Genghis Khan and medieval knights, the Romans» chariot horses and the mounts of the ancient Scythians, Greeks and Persians might fill in gaps in horse history and prehihorses and the mounts of the ancient Scythians, Greeks and Persians might fill in gaps in horse history and prehistory.
They compared these ancient horse genomes with already published genomes of 18 ancient and 28 modern horses.
Ancient genomic changes associated with domestication of the horse.
The horse fossil comes from a spot along an ancient lakeshore where no stone tools have been found, a further clue in favor of damage from croc bites.
Through the Pegasus project, begun in 2015, Orlando and colleagues have collected ancient DNA from horse fossils from a wide variety of time periods and cultures.
In North America, the Ice Age was marked by the mass extinction of several dozen genera of large mammals, including mammoths, mastodons, American horses, Western camels, two types of deer, ancient bison, giant beaver, giant bears, sabre - toothed cats, giant bears, American cheetahs, and many other animals, as well as plants.
New techniques and very old bones overcome the limits of genome sequencing for prehistoric horses, ancient cave bears, and even our own early ancestors.
The uninterrupted freeze of the permafrost preserved DNA in the horse bone, but since DNA decays into smaller and less intelligible fragments over time, the specimen seemed too ancient to analyze.
But in 2013, ultramodern DNA extraction and sequencing techniques enabled researchers to access ancient genetic codes and translate their evolutionary tales: Researchers in Denmark reconstructed a record - breaking 700,000 - year - old horse genome, and geneticists in Germany began parsing the DNA of 400,000 - year - old hominids.
But a recent study of ancient Scythian horses showed that the winnowing of Y chromosome types happened within the last 2,000 years, long after horses were originally domesticated (SN: 5/27/17, p. 10).
At Al Shaqab in Doha, Qatar, science is bringing a new life to the ancient bloodlines of Arabian horses — the breed that carried historical figures such as Alexander the Great, Genghis Khan, Napoleon and George Washington.
Many of the species Darwin discovered in the fossils were previously unknown to science, including several giant ground sloths, compact car — sized relatives of armadillos called glyptodonts (SN Online: 2/22/16) and ancient kin of horses and elephants.
As she pondered the nature of this little horse, Louise suddenly remembered seeing, on the walls of the ancient palace in Persepolis, relief carvings of a horse that looked very much like the one she had just found.
Indeed, in a 2009 analysis of DNA from the bones of nearly 90 ancient horses dated from about 12,000 to 1000 years ago, researchers found genetic evidence for bay and black coat colors but no sign of the spotted variety, suggesting that the spotted horse could have been the figment of some artist's imagination.
By contrasting patterns of genetic variation in ancient and present - day horses, the authors found support for a significant demographic collapse during the last 2,300 years, which resulted in an important reduction of genetic diversity within horse domesticates.
Although researchers can only speculate on what prehistoric artists were trying to express, hypotheses range from shamanistic and ritualistic activities to attempts to capture the spirit of horses and other animals that ancient humans hunted.
Now, a new study of prehistoric horse DNA concludes that spotted horses did indeed roam ancient Europe, suggesting that early artists may have been reproducing what they saw rather than creating imaginary creatures.
Whole genome sequencing of modern and ancient horses unveils the genes that have been selected by humans in the process of domestication through the latest 5,500 years, but also reveals the cost of this domestication.
This transformation left specific signatures in the genomes of modern horses, which the ancient genomes helped reveal.
This is something that was only detectable in the horse in comparison to the ancient genomes, as Przewalski's horses were found to show a proportion of deleterious mutations similar to domesticated horses.
This was apparent in the increasing levels of inbreeding found amongst domesticates, but also through an enhanced accumulation of deleterious mutations in their genomes relative to the ancient wild horses.
Lead author William Taylor, a postdoctoral research fellow at the Max Planck Institute for the Science of Human History, says that this model «enables us for the first time to link horse use with other important cultural developments in ancient Mongolia and eastern Eurasia, and evaluate the role of climate and environmental change in the local origins of horse riding.»
Researchers have also delved into the genomes of ancient animals — the oldest so far is a 700,000 - year - old horse.
With this history in mind, paleogeneticist Ludovic Orlando at CNRS, the French national research agency in Toulouse, and the University of Copenhagen decided to analyze the ancient DNA of these horses.
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