Um homem, portador de aglutinina anti-A e anti-B e Rh negativo, casou-se com uma mulher que não porta aglutinogênio nas hemácias e é Rh positivo. Sabe-se que a mãe dessa mulher não é portadora do fator Rh. Qual a probabilidade desse casal ter uma menina sem aglutinogênio nas hemácias e ser portadora do fator Rh?
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Enunciado:
Analise a imagem a seguir.
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(UFSM) Desde a descoberta do primeiro plástico sintético da história, esse material vem sendo aperfeiçoado e aplicado na indústria. Isso se deve ao fato de o plástico ser leve, ter alta resistência e flexibilidade. Uma peça plástica usada na fabricação de um brinquedo tem a forma de uma pirâmide regular quadrangular em que o apótema mede 10mm e a aresta da base mede 12mm. A peça possui para encaixe, em seu interior, uma parte oca de volume igual a 78mm³.
O volume, em mm³, dessa peça é igual a:
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Disponível em: http://revistaescola.abril.com.br. Acesso em: 27 abr. 2010.
Calvin apresenta a Haroldo (seu tigre de estimação) sua escultura na neve, fazendo uso de uma linguagem especializada. Os quadrinhos rompem com a expectativa do leitor, porque:
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(UERJ) What’s in a name?
The trouble with lingo
Remember the campaign in New York for garbage collectors to be called sanitation engineers?
Near the top of the strike’s agenda was the matter of getting the respect due to the people doing such essential work. Unfortunately, the new euphemistic title clarified nothing about the work and by now is either simply not heard for what it means, or is used in moments of gentle disdain. 10A clearer term may have both generated the respect desired and withstood the test of time.
Clarity and sincerity matter. Terms which mislead, confuse or cause offence can become a distraction from the real content of public debate. In the search for consensus, 2since public understanding is harder to change than terminology, changing the terminology might be a better place to start. No additional prejudice or emotion should be brought to a debate by the terminology used in it. Here are two examples.
Genetic Engineering and Genetic Modification
Despite the insistence of biotech scientists that genes of completely different species are no longer being mixed, the message isn’t being heard. They insist that they are now involved only in developments which simply hasten the natural processes of selective and cross breeding or cross pollination. As farmers and horticulturists have been doing exactly this, unquestioned, for years, they cannot understand public resistance.
The problem may well be the terminology. In this context, the words “scientific” or “genetic” have been irreparably sullied. If “genetic engineering” has, in the public’s view, become synonymous with the indiscriminate mixing of genes, and if the softer label “genetically modified” hasn’t been able to shake off a perception of sinister overtones, these terms might as well be dropped – or left attached only to experiments in Dr. Frankenstein’s laboratory.
Ideally, a new agricultural term would leave out the word “genetic” altogether: it seems to frighten the public. Assuming it described science’s benign genetic activities accurately, 8the term “productivity breeding” is not a trivial call for a euphemism; besides, it would probably encounter less public opposition.
So, let’s have new terms for selective cross breeding by scientists who simply speed up the same process that is carried out in nature.
Clean coal*
3If this new term was intended to be clear, it hasn’t worked.
In “Politics and the English Language” (1946), George Orwell wrote that 4because so much political speech involves defending the indefensible, 11it has to consist largely of euphemism. 6He insisted that, in politics, 7these euphemisms are “swindles” and “perversions” left deliberately vague in order to mislead. Deliberate or not, 12“clean coal” is one of these. Aside from being a contradiction in terms, the name is misleading, creating the impression of the existence of a new type of coal. In fact, it is 13ordinary coal which has been treated to “eliminate” most of its destructive by-products, which are then buried. The whole process produces emissions. 5This, though, isn’t clear when it is simply labelled “clean coal”. The term just doesn’t seem sincere. 9It’s a red rag to any green. It’s not asking too much to expect the term describing these procedures to be more accurate. A clearer term would be less provocative.
1So, what’s in a name? A lot. There’s the possibility of confusion, prejudice, perversions and swindles. For the sake of fair debate, let’s mean what we say and say what we mean.
* Coal: carvão
SEEARGH MACAULAY www.londongrip.com
The logical relationship between clauses establishes different notions. An example which expresses the notion of concession is indicated in:
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