Probablemente explicación está conocida como la hipótesis de roja Queen llama tras la monarca en Lewis Carroll está a travers el looking glass. En esta novela corta, Alice y la reina roja mantienen un race en el cual ejecutan in place pero no llegan en cualquier sitio nunca. Algo analogously, la suposición de roja Queen tomar para que los organismos y los parásitos viven en ellos están ejecutando, una raza en la cual explotan constantemente en un recepción a each other es las mutaciones, empuña una simetría total. [leer: determinar el sexo de estadísticas: virgenes en el cuesta]
Como parásitos explotan para capitalizar extenuaciones de un organizar organismodistintivo, Brothurst explica, organización de anfitrión con e-traducciones de Rar de genes conocidas como alleles, están inferioras susceptibles a los parásitos, entonces tener un mejor oportunidad vivir a sus edad reproductivo; también, sus descendencia Estoy tenido talento con estos Alleles ventajosos. Como un resultado, over-génesis es estes organismos raros alleles convertirse en más mutuos en la población, so los parásitos comienzan a explotar para abordarlos. A esta parte nueva rara alleles exponen florecer entre los anfitriones.
Sexualidad la teoría tomar para, da a organización de anfitrión una pata de palo –up sobre esta evolutiva rueda de andar. Esta selección continua para curiosidad favorece el sexual reproduction sobre un asexual reproduction;, recombination sexual deja anfitriones remodelar ellas camarilla de alleles y engendrar un caballo las combinaciones sin precedente, raras dе ellas progenie, Brothurst escribe.
Probablement explication est connue comme la hypothèse de rouge Queen appelle apres le souverain est par la looking glass dans Lewis Carroll. Dans cette nouvelle, Alice et la reine rouge gardent un race dans lequel ils fonctionnent in place mais jamais arrivent pas n’importe où. Quelque peu analogously, la hypothèse de rouge Queen oblige les organismes et les parasites vivent fonctionnent à eux, une race dans laquelle ils évoluent toujours est mutations, exerce une symétrie globale dans réception dе l’un l’autre. [lire:coucher avec stats: vierges dans l’ascension]
Comme parasites évoluent pour capitaliser les impuissances d’un organisme de hôtedistinctif, Brothurst clarifie, organisme de hôte avec e-traductions de Rar de gènes connus comme alleles, sont susceptibles aux parasites, puis stand un meilleure chance d’un tirer à leur vieillesse reproducteure; aussi, leur progéniture Suis doté avec ces favorables Alleles. Comme une conséquence, over-genèse est ces organismes alleles rares deviennent plus mutuels dans la population, ainsi parasites commencent a évoluer pour les aborder. À cette virgule alleles nouveaux étranges commencent a fleurir parmi les hôtes.
Sexualité la théorie considère, donne à organisme de hôte une jambe –up surc’évolutionniste manège. Cette sélection continuelle pour curio favorise sexual reproduction sur un asexual reproduction;, recombination sexuel laisse hôtes remanier leur coterie d’alleles et engendrer combinaisons sans pareil, rares dans leur progéniture, Brothurst écrit.
Of all the things MA has not understood Sex is one thing he has understood the least.
People earn for it ,yet they do not know why.
New Study on Why we have Sex is quite revealing or even shocking.
Read On.
“Sex is hard to explain,” writes Michael Brothurst in a recent article in the journal Science. Like others in his field, Brothurst, who studies the evolution of sexual reproduction at the University of Liverpool, doesn’t “get” men….
The most likely explanation is known as the Red Queen hypothesis, named after the monarch in Lewis Carroll‘s “Through the Looking Glass.” In that novella, Alice and the Red Queen hold a race in which they run in place but never get anywhere. Somewhat analogously, the Red Queen hypothesis holds that organisms and the parasites that live on them are running a race in which they constantly evolve in response to each other’s genetic mutations , maintaining an overall balance. [Read: Sex Stats: Virgins On the Rise ]
As parasites evolve to take advantage of the weaknesses of a typical host organism, Brothurst explains, host organisms with rare versions of genes, known as alleles, are less susceptible to the parasites, and so stand a better chance of surviving to their reproductive age; likewise, their offspring are endowed with these advantageous alleles. As a result, over generations these organisms’ rare alleles become more common in the population, so parasites start evolving to take them on. At that point new unusual alleles begin to flourish among the hosts.
Sex, the theory holds, gives host organisms a leg-up on this evolutionary treadmill. “This continual selection for rarity favors sexual reproduction over asexual reproduction; sexual recombination allows hosts to reshuffle their pack of alleles and generate new, rare combinations in their offspring,” Brothurst writes.
Some Mysteries of The Human body are quite intriguing.
We do not know much about them.
Yet we feel we have all the answers and subject our body to Medicine/Surgery.
Please read the ones on Appendix and The Brain.
Story:
If you shaved a chimpanzee and took a photo of its body from the neck to the waist, “at first glance you wouldn’t really notice that it isn’t human,” said Kevin Hunt, director of the Human Origins and Primate Evolution Lab at Indiana University. The two species’ musculature is extremely similar, but somehow, pound-for-pound, chimps are between two and three times stronger than humans, Hunt told us. It’s unclear why we’re so much wimpier than our closest hominid relatives; perhaps our muscles’ attachment points subtly differ, or our muscle fibers could be less dense.
Either way, the result is slightly humiliating. Once, in an African forest, Hunt watched an 85-pound female chimp snap branches off an aptly named ironwood tree with her fingertips. It took Hunt two hands and all the strength he could muster to snap an equally thick branch. [Chimps vs. Humans: How Are We Different?
Nine out of 10 people are right-handed. More mysterious than the dearth of southpaws is the fact that humans have dominant hands in the first place. Why just one hand with top-notch motor skills, instead of a double dose of dexterity? One theory holds that handedness results from having more intricate wiring on the side of the brain involved in speech (which also requires fine motor skills). Because the speech center usually sits in the left brain hemisphere — the side wired to the right side of the body — the right hand ends up dominant in most people. However, this theory gets a big blow from the fact that not all right-handed people control speech in the left hemisphere, while half oflefties do. Perplexing.
Like all other female apes, women’s breasts fill with milk when they have newborn babies to feed. But female humans alone have bloated bosoms at all other times, too. Scientists can’t agree on what — or who — our “permanently enlarged breasts” are for. Most evolutionary biologists think breasts serve the purpose of attracting men, who get fooled into thinking a busty woman will make a great baby feeder (even though her breasts actually contain fat, not milk).
Breastfeeding.
Anthropologists, meanwhile, tend to think breasts evolved for women and babies, not men, noting that in many cultures, men don’t find big breasts remotely sexy. Florence Williams, author of “Breasts” (W.W. Norton, 2012), thinks women developed permanently enlarged bosoms to meet the greater energy needs of big-brained human babies. Hormones in breasts promote fat storage, and this stored fat gets released into milk during breast-feeding. In short, “breast fat goes toward forming the baby’s brain,” Williams told Life’s Little Mysteries. But the theory has yet to gain universal acceptance.
Theories abound when it comes to pubes. Some say these coarse, curly tendrils are sexual ornaments — a visual signal of sexual maturity and a reservoir of smelly pheromones. Others think bushes keep our oh-so-precious nether regions cozy. Still others assert that they serve as padding, preventing chafing during sex. Whatever the reason, many modern people want this stuff gone.
A couple of handfuls of your body aren’t actually your body. For every one of your cells, 10 microbes live inside you, and these hangers-on collectively compose a few pounds (1 to 3 percent) of your total weight. Some of this in-house fauna cleans our skin while some helps us digest food, but the bulk of these microbes contribute to our bodily functions in ways unknown. Healthy people even harbor low levels of harmful viruses, which appear to do something besides sicken us.
“We’re just learning that the consequence of antibiotics is that when you get rid of the good bacteria in our guts, we can develop autoimmune diseases [such as allergies]. We’re not as advanced in our understanding of viruses. What do viruses do for us?” Vincent Racaniello, professor of microbiology and immunology at Columbia University, told Life’s Little Mysteries. Clearly, we’ve signed up for a whole bunch of symbiotic relationships, and have no idea what we’re getting out of the deal.
The poor old human appendix gets lumped in with the likes of wisdom teeth, ear-wiggling muscles and our other useless evolutionary holdovers.
The Appendix.
The worm-shaped organ’s inconsequentiality seems proven by the fact that it can be removed with no obvious drawbacks. But biologists have recently begun to question the long-held assumption of appendix pointlessness. Some suggest it may help train the immune system during fetal development. Other research indicates the organ serves as a “safe house” for the bacteria that aid in digestion, holding a secret stash of microbes that repopulate the rest of the digestive tract after gut-evacuating bouts of diarrhea. The word “appendix” means afterthought. But maybe, just maybe, it isn’t one.
How do the 100 trillion neural connections in our brains work together to create the feeling of being alive? Many great thinkers consider consciousness to be the biggest mystery not just of the human body, but the biggest one, period. As the neuroscientist V.S. Ramachandran put it, “[A]ny single brain, including yours, is made up of atoms that were forged in the hearts of countless, far-flung starsbillions of years ago. These particles drifted for eons and light-years until gravity and chance brought them together here, now. These atoms now form a conglomerate — your brain — that can not only ponder the very stars that gave it birth but can also think about its own ability to think and wonder about its own ability to wonder. With the arrival of humans, it has been said, the universe has suddenly become conscious of itself. This, truly, is the greatest mystery of all.”
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