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y chromosome disappearing

Research conducted by Jennifer Graves, a geneticist at La Trobe University in Melbourne, suggests that 166 million years ago the Y chromosome had a similar number of genes as X, approximately 1,669. Even though the Amami spiny rats don't have it, it seems that another unidentified gene acts as a substitute. Genes develop mutations over time, some of which are harmful. 6 Aug 2020. The comments below have not been moderated. On the question of whether the Y chromosome will actually disappear, the scientific community is currently divided into the “leavers” and the “remainers”. The Y chromosome is about one-third the size of the X chromosome and contains about 55 genes compared to more than 900 on the X. The reason why essentially amounts to a biological technicality.eval(ez_write_tag([[580,400],'realclearscience_com-under_first_paragraph','ezslot_0',125,'0','0'])); "We propose that the future of the Y chromosome is secure because it carries executioner genes that are critical for successful progression of male meiosis--and unlike other genes on the Y, these executioners self-regulate," Waters said in a statement. While Ruiz-Herrera and Water's hypothesis suggests that the end of the Y chromosome in mammals is not inevitable, it doesn't mean it can't happen. At the Y's present rate of decay in humans, it could disappear entirely in about ten million years. Entry: Global Warming Lorem Ipsum Dolor Sit ... http://dx.doi.org/10.1016/j.tig.2020.06.008. Or even something that is injected? Science has really made humanity dumb. However, only X chromosomes can swap with each other, while Y isn't similar enough to combine. Each of these words could aptly describe the Y chromosome, the sex chromosome that – in mammals – typically makes a male a male. DOI: http://dx.doi.org/10.1016/j.tig.2020.06.008, Why the 'Wimpy' Y Chromosome Hasn't Disappeared. *Wink*. A gene called SRY, unique to the Y chromosome, serves as an "on-off" switch for all of the other genes that suppress female differentiation. Despite this, it carries very little other important information, and researchers think it is quickly disappearing. Olodo! The Y chromosome has far fewer genes than the X and research suggests it's gradually shrinking even further. So nothing is impossible It was not clear why the chromosomes were disappearing but the researchers said it could be a sign of another problem inside the body which was allowing mutations to accumulate. Meiosis is a multi-step process in which cells divide to produce sperm or eggs. The male-determining Y chromosome could be dying out and this has prompted discussion of whether men could disappear with it. The Amami spiny rat, native to Amami Ōshima island of the Ryukyu archipelago of Japan, has no Y chromosome, and yes, there are still males. Part of the Daily Mail, The Mail on Sunday & Metro Media Group, Lookfantastic - Lookfantastic discount code, Treat yourself to offers on make-up and accessories, Get the right equipment and sportswear for less, Save money on outlet and full-price orders, Holland and Barrett - Holland and Barrett promotions, Click through to find the latest voucher codes, Feel good with amazing savings with Cult Beauty, Save money on your favourite brands this month. A study of 205,011 men in the UK found that more than four in 10 men (43.6 per cent) had lost a noticeable proportion of their Y chromosomes by the age of 70. "Losing the Y chromosome doesn't mean losing the male," Nielsen explained. This would allow them to keep multiplying in a microscopic version of evolution, and could explain why the mutation was so common. This is switch of genes that takes place in each generation which helps to eliminate damaging gene mutations. It should vanish, dat chromosome must be really tired wit da level of false sexual abuse n rape by da female gender,by da tym it vanishes da female gender will realize da level of hurt it has caused n maybe readjust it ways..Since da male gender are kipin quiet,nature has finally found a better way out.I see diz as natures way of protesting for us, I can't laugh ooo, you're really sick in da head, Thank mother nature, women will have rest some time soon. 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Men would probably be raped during those times cuz they'll be in high demand. "So it doesn't take a great brain to realise that if the rate of loss is uniform —10 genes per million years — and we've only got 45 left, the whole Y will disappear in 4.5 million years," she told Live Science. my pple this is the time to pick ur bible and get a glimpse of what is to come... it has began! Gossip! They essentially act as their own judge, jury, and executioner, and in doing so, protect the Y from being lost," Ruiz-Herrera added.eval(ez_write_tag([[300,250],'realclearscience_com-under_second_paragraph','ezslot_3',123,'0','0'])); Essentially, if Zfy moved to any of the non-sex chromosomes, termed autosomes, male meiosis could not occur, the authors contend. The number of genes on the Y has dropped from over 1,000 to roughly 50, a loss of more than 95 per cent. Chromosome can avoid passing on such harmful mutations by mixing and matching with each other during meiosis — the stage of foetal development during which our forming bodies develop sperm or eggs. - Dr bricks -, It's the fulfilment of the biblical prophecy. Scientists seem to have settled on one adjective, however: "wimpy". BS, Tomorrow, they'll tell you the Y chromosome is evolving. X has approximately 1,000 genes while Y has just 45 and research suggests the Y chromosome is gradually shrinking even further. This process breaks up the genes and makes it more likely that only strong, non-harmful ones get passed on. Vaccines will not be a 'silver bullet' to end Covid-19 immediately because millions of people won't get them... Pfizer's Covid vaccine must be stored at MINUS 70C in special suitcases that might rule out a jab at your... Eli Lilly to start immediately shipping coronavirus antibody drug, that makes hospitalization four times... One in 11 coronavirus patients discharged from a hospital is readmitted within two months, suggesting... Nasal spray that blocked COVID-19 transmission in ferrets may protect people exposed to the virus from... What is the best way to get your hit of Vitamin D? "When these genes are turned on at the wrong time and at the wrong place during meiosis, they are toxic and execute the developing sperm cell. The Y chromosome is disappearing — could this mean the end of men? If the Y chromosome was to vanish, another gene would likely take over as the main determinant of sex during human development. Scientists led by the University of Cambridge did the study on data from the UK Biobank, which contains the DNA of 500,000 volunteers, The Atlantic reported. You no do O-level biology? The team who made the discovery said this bizarre change may be a sign the men's DNA was unstable and the body was allowing random genetic mutations to add up. Dr John Perry, a Cambridge geneticist told the Atlantic: 'The more you age, the more errors have taken place in cell division.'. It was once the size of the X chromosome and contained all the same genes. … The Y chromosome is about one-third the size of the X chromosome and contains about 55 genes compared to more than 900 on the X. The Y chromosome could be dying out, prompting discussion of whether men could disappear with it. The problem, however, is that  Y chromosomes are only ever found as a single copy, passed from fathers to their sons, rather than a pair. And another researcher from the Dana-Farber Cancer Institute in Boston, David Steensma, suggested losing the Y chromosomes could give cells some kind of unseen advantage. You have a point - but if you go by the people that want to control the world’s population then only God knows what is in the vaccines being given to males at a young age - so it could be over the years the male specie is being injected with doses of drugs at a young age in the name of vaccine and perhaps some components of those vaccines contain stuff that systematically kills of the Y chromosome during reproduction. This world is full of mysteries, i bet you that people living today and even the ones burn today. But the human Y-chromosome is still one of the smallest in the genome. In this month’s ‘Science Notes’, we explore the evolution of the Y chromosome in Neanderthals and Denisovans (an extinct subspecies of humans, who appear to have been concentrated in Asia during the Lower and Middle Palaeolithic). Yeye dey smell. Source: Waters and Ruiz-Herrera. But losing the Y chromosome completely is still a possibility, as it's happened to other species including underground rodents called mole voles, as well as certain species of spiny rats in Japan. We men are not necessary. This means that genes on the Y chromosome cannot undergo something known as 'genetic recombination'. "Meiotic executioner genes protect the Y from extinction." Well, if the males vanish then humanity ceases to exist, as procreation ceases. In the world of today that women marry each other and men marry men, is that not enough reason to make y chromosome disappear, this is where the gays are coming from, damaged chromosomes. Over time, this imbalance has actually grown. The reason is the X and Y chromosomes are thought to have evolved from a pair of identical autosome chromosomes that diverged from 100s of millions [2] ago. And this proportion had doubled by the time the men were in their 70s. Men's Y chromosomes are disappearing as they get older and could be putting them at a greater risk of cancer, a study has found. Trends in Genetics. The "executioner" genes that regulate the silencing process on the Y chromosome are called Zfy genes.

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