An ethnic group is a group of people who share common race or cultural heritage. In Wrexham, ninty-nine per cent of the population is white and there are only black people out of a total population of , Look at the table to see the differences in the population between Newport and Wrexham. The line graph shows the population data for Wrexham and Newport. It is clear that Newport experienced more inward migration and larger migrations shown by the very rapid overall increase — especially between and One very important question you might also want to ask is who makes up the 'White British' category?
Another question is: who are the Welsh? Newport's new mosque next door to Newport's Irish Club. Close to these buildings is a new shop for people from Eastern European countries such as Poland. This is probably illustrated most clearly by the distribution of people who can speak Welsh.
Areas where English is the main language often have a long history of mass inward migration. Sadly, I am not so surprised at this from an institution which, despite a year history, seems to still struggle with the very basics of equality and diversity. Did it not occur to anyone that there was something wrong? It seems like a monumental error by the Welsh Assembly Commission, which designed the form, and a telling one at that.
Over the summer, meanwhile, we saw the First minister of Wales Carwyn Jones rather clumsily assemble his Brexit advisory group. This group was made up of predominantly white, middle aged men, and not a single person from a black, Asian and minority ethnic background. And it matters. We do have the genes we inherit — 50 percent from each parent. But Elissa Levin , a genetic counselor and the director of policy and clinical affairs of Helix, says a process called recombination means that each egg and each sperm carries a different mix of a parent's genes.
That is also why siblings can have different ancestry results. The companies compare customers' DNA samples to samples they have from people around the world who have lived in a certain area for generations. The samples come from some databases to which all scientists have access, and the companies may also collect their own.
As the companies collect more samples, their understanding of markers of people of a particular heritage should become more precise.
But for now, the smaller the percentage of a population within a continent that is in the database, the less certain they are. Levin says Helix chooses to not report some of those smaller percentages. The 23andMe reports results with a 50 percent confidence interval — they're 50 percent sure their geographic placement is correct.
Move the setting up to 90 percent confidence, meaning your placement in a region is 90 percent certain, and that small 1. The ancestry tests also have to take into account the fact that humans have been migrating for millennia, mixing DNA along the way.
To contend with that, the companies' analyses involve some "random chance" as Levin puts it. Prof Donnelly said: "People from Wales are genetically relatively distinct, they look different genetically from much of the rest of mainland Britain, and actually people in north Wales look relatively distinct from people in south Wales.
While there were traces of migrant groups across the UK, there were fewer in Wales and Cornwall. He said people from south and north Wales genetically have "fairly large similarities with the ancestry of people from Ireland on the one hand and France on the other, which we think is most likely to be a combination of remnants of very ancient populations who moved across into Britain after the last Ice Age.
He said it was possible that people came over from Ireland to north Wales because it was the closest point, and the same for people coming to south Wales from the continent, as it was nearer. However he added: "We don't really have the historical evidence about what those genetic inputs were. The geography of Wales made it more likely that ancient DNA would be retained.
0コメント