Bryan Sykes


Bryan Clifford Sykes is a Fellow of Wolfson College, and Emeritus Professor of Human genetics at the University of Oxford.
Sykes published the first report on retrieving DNA from ancient bone. Sykes has been involved in a number of high-profile cases dealing with ancient DNA, including that of Ötzi the Iceman. He also suggested a Florida accountant by the name of Tom Robinson was a direct descendant of Genghis Khan, a claim that was subsequently disproved.
Sykes is best known outside the community of geneticists for his two best-selling books on the investigation of human history and prehistory through studies of mitochondrial DNA.

Life

Sykes was educated at Eltham College, received his BSc from the University of Liverpool, his PhD from the University of Bristol, and his DSc from the University of Oxford.

''The Seven Daughters of Eve''

In 2002 Sykes published a book for the popular audience, The Seven Daughters of Eve, in which he explained how the dynamics of maternal mitochondrial DNA inheritance leave their mark on the human population in the form of genetic clans sharing common maternal descent. He notes that the majority of Europeans can be classified in seven such clans, known scientifically as haplogroups, distinguishable by differences in their mtDNA that are unique to each group, with each clan descending from a separate prehistoric female-line ancestor. He referred to these seven 'clan mothers' as 'daughters of Eve', a reference to the mitochondrial Eve to whom the mtDNA of all modern humans traces. Based on the geographical and ethnological distribution of the modern descendants of each clan he assigned provisional homelands for the seven clan mothers, and used the degree to which each clan diverges to approximate the time period when the clan mother would have lived. He then uses these deductions to give 'biographies' for each of the clan mothers, assigning them arbitrary names based on the scientific designation of their haplogroup.

''Blood of the Isles''

In his 2006 book Blood of the Isles, Sykes examines British genetic "clans". He presents evidence from mitochondrial DNA, inherited by both sexes from their mothers, and the Y chromosome, inherited by men from their fathers, for the following points:
Some quotations from the book follow.
Sykes used a similar approach to that used in The Seven Daughters of Eve to identify the nine "clan mothers" of Japanese ancestry, "all different from the seven European equivalents."

Modern Evidence

His theories regarding the origins of the British has been largely invalidated, Basque like Neolithic farmers did populate Britain during the Neolithic period, though over 90% of their DNA was overturned by a North European Bell Beaker population of ultimate Russian Steppe origin as part of an ongoing migration process that brought large amounts of Steppe DNA to North and West Europe. Modern autosomal genetic clustering is testament to this fact, as both modern and Iron age British and Irish samples cluster genetically very closely with other North European populations, not Iberians, Galicians, Basques or those from the south of France.

Alleged hominid samples

Dr. Bryan Sykes and his team at Oxford University carried out DNA analysis of presumed Yeti samples and thinks the samples may have come from a hybrid species of bear produced from a mating between a brown bear and a polar bear. Sykes told BBC News:
He conducted another similar survey in 2014, this time examining samples attributed not just to yeti but also to Bigfoot and other "anomalous primates." The study concluded that two of the 30 samples tested most closely resembled the genome of a palaeolithic polar bear, and that the other 28 were from living mammals.
The samples were subsequently re-analysed by Ceiridwen Edwards and Ross Barnett. They concluded that the mutation that had led to the match with a polar bear was a damage artefact, and suggested that the two hair samples were in fact from Himalayan brown bears. These bears are known in Nepal as Dzu-the, and have been associated with the myth of the yeti. Sykes and Melton acknowledged that their GenBank search was in error and but suggested that the hairs were instead a match to a modern polar bear specimen "from the Diomede Islands in the Bering Sea reported in the same paper". They maintained that they did not see any sign of damage in their sequences and commented that they had "no reason to doubt the accuracy of these two sequences any more than the other 28 presented in the paper". Multiple further analyses, including replication of the single analysis conducted by Sykes and his team, were carried out in a study conducted by Eliécer E. Gutiérrez, a researcher at the Smithsonian Institution and Ronald H. Pine, affiliated at the University of Kansas. All of these analyses found that the relevant genetic variation in brown bears makes it impossible to assign, with certainty, the Himalayan samples to either that species or to the polar bear. Because brown bears occur in the Himalayas, Gutiérrez and Pine stated that there is no reason to believe that the samples in question came from anything other than ordinary Himalayan brown bears

Works

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