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mardi 8 mai 2018
Strange facts you never knew about twins
Strange facts you never knew about twins
The entire idea of twins sounds like something out of a wacky sci-fi story, presumably one that likewise includes Tralfamadorians or potentially cash trees. Truly, consider it: individuals with a hereditary copy, shaped in the meantime, and notwithstanding having a similar DNA? Better believe it, clones in the womb. Got it. C'mon, Vonnegut, you're extending reality too far this time.
Everybody knows the fundamental story of sexual intercourse. Mr. Sperm swims around and meets Ms. Egg, at that point blast — preparation! In any case, twins resemble the astute plot contort that nobody at any point saw coming. Ask any twin, and they'll reveal to you that having a characteristic clone is, well, essentially the coolest thing ever. Yet, being a twin is about something other than sharing mystery handshakes and calmly exchanging classes in secondary school.
Indistinguishable twins have diverse fingerprints
The expression "indistinguishable twins" isn't only a clever gathering anecdote about how your companion Chris looks a considerable measure like Sylvester Stallone (however yes, that is exceptionally persuading). Indistinguishable twins are called "indistinguishable" on the grounds that they practically are. Indistinguishable twins are nature's clones, and keeping in mind that they dislike having a similar activity figure, they can't resist having a similar DNA. In any case, as the New York Times calls attention to, regardless of the possibility that their faces look unclear, and regardless of the possibility that they wear coordinating T-shirts saying Thing #1 and Thing #2, indistinguishable twins have diverse fingerprints.
How could such profanation be conceivable? All things considered, in light of the fact that the whorls, circles, and entertaining shapes that we call fingerprints are "grating edges" from the womb. These edges are caused by an embryo touching the dividers encompassing them. As per specialists like Dr. Michael Roizen, the edge shapes change contingent upon the hatchling's position, also the thickness of the amniotic liquid spiraling around their fingers at various circumstances. Indistinguishable twins involve distinctive parts of the amniotic sac, so their hands press against better places. Fundamentally, the state of a man's fingerprints is more modified as your most loved burrito at Chipotle.
Along these lines, the Tech Museum of Innovation guarantees that checking fingerprints is about the main solid way police specialists can figure out which twin carried out a wrongdoing. No doubt about it, too bad Jimmy. You can't accuse your shoplifting for Timmy unless you wore gloves.
Indistinguishable and congenial twins are entirely unexpected things
Grouping the "identical" and "fraternal" types into one "twin" category is like saying that key lime and apple are both "pies." It's time to decipher some twin-speak. Anyone who has twin-friends or twin-family has probably heard of the two variations before. What many may not realize is these two "types" of twins are created by entirely different situations within the woman's body.
First off, identical twins. Going back to the birds and the bees, when the sperm fertilizes the egg, it becomes a zygote, resulting in one baby. But every once in a blue moon, that single zygote splits into two embryos, which results in — that's right — identical twins. That's why identicals, aka monozygotic twins, have the same DNA: they were the exact same zygote at the beginning, until they shook hands, parted ways, and decided to be two people instead. Now there's an amicable settlement.
As far as fraternal twins go, the American Pregnancy Association says that's a whole other ballgame. Fraternal twins, aka dizygotic twins, happen when the mother has two eggs, and both of these eggs are fertilized by two separate sperm. Get it? Two eggs + two sperm = fraternal twins. So two fraternal twin sisters aren't "clones," and don't share any more DNA than regular siblings do. Instead, they're just sisters who rented out the same womb at the same time.
Sometimes, one twin vanishes in the night
Back before "ghosting" became a sketchy thing that people do on OKCupid, some twins were already masters at it. One of the eeriest things that can happen during a twin pregnancy is something called fetal resorption, or what experts like Professor Robert Wool call "vanishing twin syndrome." This describes a situation wherein a mother goes to an ultrasound, finds out she has twins, then returns later to discover that one of the twins has bamfed right out of existence, and she's now only going to have one baby. Ghosted!
So what happens to this poor vanished twin? Where do these teleportation powers come from? Thanks to X-Men comics, we now know. Vanished twins go on to become dangerous supervillains, like Charles Xavier's psychotic twin sister, Cassandra Nova. Watch your back, Charles.
The American Pregnancy Association offers the more plausible explanation that one twin dies during the early stages of the pregnancy, often from chromosomal abnormalities. Whatever fetal tissue remains is absorbed by the sibling, making it appear as if the dead twin vanished from thin air. It's estimated that this happens in 21 to 30 percent of multifetal pregnancies.
The living twin is usually perfectly healthy. So despite the bizarre conditions they were conceived in, these survivors possess no superpowers, no psychic personalities, and no big green Hulk-outs. However, in cases of vanishing fraternal twins, the survivors sometimes become chimeras, meaning one person with two sets of DNA. That's probably the closest we'll come to a superpower.
Twins that are separated at birth often lead bizarrely similar lives
The debate regarding nature vs. nurture will wage on for centuries, particularly once Skynet takes over and mankind tries really, really hard to pass the buck. General consensus is that both genetic and environmental factors play major roles in human development. But as far as twin psychology goes, the "nature" box should maybe be checked with a big fat Sharpie.
Twins who get separated at birth, totally unaware of each other's existence, often lead bizarrely parallel adult lives. What kind of shady, HYDRA-esque project would do something like separating twins? According to NPR, there was a secret research study done in the 1960s and 1970s. Even creepier, this study's results are locked in a vault until 2066. Yeah…
Anyway, one set of separated twins were Paula Bernstein and Elyse Schein, who finally reunited in their 30s. Aside from the obvious weirdness of meeting someone with the same face and voice, The Guardian describes their surprise at discovering that they were both writers with similar analytical personalities, political views, and quirky movie tastes. Both suffered from eating disorders as teenagers, edited their school newspapers, and studied film in college.
Then there are the "Jim Twins," according to Live Science, two separated twins who somehow both got named Jim. When they met as adults, they'd each been married twice — their first wives had been named Linda, and second wives named Betty. Weird, right? Both grew up in Ohio, were chain smokers, and drove similar cars.
Twins start socializing before they're even born
The womb is a considerable measure like your first condo out of school. It's confined, muddled, and you invest an excessive amount of energy draining bizarre beverages out of a significantly more odd tube. Yet, that first condo is all yours, and it's pristine to you, so you burrow it. The main thing that could improve it even is a cool, well disposed flat mate, and that is precisely what twins have. Ask (nearly) any twin, and they'll let you know: twins are tight. Many have an unbreakable bond. No joke, stick ain't got nothing on generally twins. Late proof demonstrates that twins really begin getting to be BFFs the distance back when regardless they're living together in the womb.
It's hard to believe, but it's true. As indicated by Scientific American, twins get their social score on while they're still just embryos. By the fourteenth seven day stretch of incubation, twins begin connecting with their new mate. By Week 18, they're touching their accomplice more frequently than they're touching the dividers or themselves, and with more consultation, persistence, and core interest. They additionally take additional uncommon care when touching their twin's eye district.
From this beginning period of improvement, twins are as of now figuring out how to bond, think about, and associate with a kindred individual. In spite of the fact that every one of the cynics out there might dissent, people are naturally social animals, even on a simply hereditary level, as indicated by investigate distributed by the scientific diary Neuron. These amigo pal twin hatchlings indicate exactly how hardwired those social senses truly are.