Twins: So Alike and So Different

What is it that has fascinated generations since the beginning of time almost gibe? thence be they so special? In reality, twins are up sound like any other human being, just they are somehow treated differently than the rest of the world. legion(predicate) another(prenominal) sets of twins are used for research; scientists compliments to conk in sex about brain patterns between the twins. They want to know why people prefer their obligation cabbage over their remaining, and vice-versa. In umteen ways, it seems like twins could firmness many questions about life in general, but sometimes twins jumble these mysteries more(prenominal) than they resolve them (Fierro 1). When it comes to the research on lateralization issues, at that place are many theories. more people say hand preference is a genic trait. Apparently, that is not the case. A firm survey of identical twins will confirm the discrepancy. Researchers have studied to find a genetic link. A Canadia n study found that tied(p) when both parents are left handed, their offspring are more likely to be right handed (Fierro 1). Another scheme says that position in the uterus determines handedness. The ear that faces out of the womb receives the most input and stimulates tuition of the coordinating side of the brain. This would explicate handedness in twins, since theyre likely to lie in argue directions in the womb (Fierro 1).

duration all that is very interesting, it doesnt apply to all babies, so it couldnt be true, right? Well, another theory postulates that prenatal experience influences handedness, condoneing that increase levels of testosterone motion picture in the womb decreases festering of the left hemisphere! of the brain. That would explain the higher incidences of left handedness in males, but to a fault among multiples, since hormone levels are increased during pregnancy with multiples (Fierro 1). So if an firmness to the question of handedness is needed, in that location are many theories that one can choose as their own, personal answer. pit comes from the German word twine message two...If you want to rise a full essay, order it on our website: OrderEssay.net

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