首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
What will it mean to know the complete human genome. Eric Lander of MIT’s Whitehead Institute compares it to the discovery of th
What will it mean to know the complete human genome. Eric Lander of MIT’s Whitehead Institute compares it to the discovery of th
admin
2017-04-21
49
问题
What will it mean to know the complete human genome. Eric Lander of MIT’s Whitehead Institute compares it to the discovery of the periodic table of the elements in the late 1800s. "Genomics is now providing biology’s periodic table. " says Lander. "Scientists will know that every phenomenon must be explainable in terms of this measly list" which will fit on a single CD-ROM. Already researchers are extracting DNA from patients, attaching fluorescent molecules and sprinkling the sample on a glass chip whose surface is speckled with 10,000 known genes. A laser reads the fluorescence, which indicates which of the known genes on the chip are in the mystery sample from the patient. In only the last few months such "gene expression monitoring" has diagnosed a muscle tumor in a boy thought to have leukemia, and distinguished between two kinds of cancer that require very different chemotherapy.
But decoding the book of life poses daunting moral dilemmas. With knowledge of our genetic code will come the power to reengineer the human species. Biologists will be able to use the genome as a parts list much as customers scour a list of china to replace broken plates and may well let prospective parents choose their unborn child’s traits. Scientists have solid leads on genes for different temperaments, body builds, statures and cognitive abilities. And if anyone still believes that parents will recoil at praying God, and leave their baby’s fate in the hands of nature recall that couples have already created a frenzied market in eggs from Ivy League women.
Beyond the profound ethical issues are practical concerns. The easier it is to change ourselves and our children, the less society may tolerate those who do not; warns Lori Andrews of Kent College of Law. If genetic tests in uterus predict mental dullness, obesity, short stature or other undesirable traits of the moment will society disparage children whose parents let them be born with those traits? Already, Andrews finds, some nurses and doctors blame parents for bringing into the world a child whose birth defect was diagnosable before delivery; how long will it be before the same condemnation applies to cosmetic imperfections? An even greater concern is that well-intentioned choices by millions of individual parents-to-be could add up to unforeseen consequences for all of humankind. It just so happens that some disease genes also confer resistance to disease: carrying a gene for sickle cell anemia, for instance, brings resistance to malaria. Are we smart enough, and wise enough, to know how knocking out "bad" genes will affect our evolution as a species?
We can infer that some couples are eager to get eggs from Ivy league women because ______.
选项
A、they can’t give birth to children
B、they want to have a good-looking child
C、they want to have a clever child
D、curiosity drives them to do that
答案
C
解析
本段主要讲解了基因组的解读可能导致的伦理问题——父母可能根据自己意愿选择未出世孩子的特征,而根据常识,“Ivy League”代表的是美国名校,即指拥有高智商的群体,因此可以推出有些夫妇想要“eggs from Ivy League women”主要是想要聪明的孩子。
转载请注明原文地址:https://jikaoti.com/ti/uiHsFFFM
本试题收录于:
BFT阅读题库国际化人才外语考试(BFT)分类
0
BFT阅读
国际化人才外语考试(BFT)
相关试题推荐
HereisanadvertisementaboutaBusinessBookClub.Readtheadvertisementandcompletethegiveninformationform.Wri
HereisanadvertisementaboutforacertainpositioninthenewspaperofDec.7,2005.Readtheadvertisementandcompletethe
Readthefollowingletterandcompletethegiveninformationform.Writeaword,phraseornumberinthespaces1-5.De
WildBillDonovanwouldhavelovedtheInternet.TheAmericanspymasterwhobuilttheOfficeofStrategicServicesinWorldWar
WildBillDonovanwouldhavelovedtheInternet.TheAmericanspymasterwhobuilttheOfficeofStrategicServicesinWorldWar
1.WhydosomanyAmericansdistrustwhattheyreadintheirnewspapers?TheAmericanSocietyofNewspaperEditorsistryingto
WhathappenedtoPetelastFourthofJuly?WhichisNOTtrueofsparklers?
WhathappenedtoPetelastFourthofJuly?FireworkseyeinjuriescanresultineachofthefollowingEXCEPT
WhathappenedtoPetelastFourthofJuly?HowmanyfireworkseyeinjuriesoccurintheUSeachyear?
CanyouaccountforyourabsencefromtheclasslastThursday?
随机试题
红花与桃仁都具有的功效是
男性,20岁。3天前淋雨后出现咽干、咽痒,继而打喷嚏,鼻塞,流清水样鼻涕。体检:鼻腔黏膜充血、水肿,咽部轻度充血,最可能的诊断
糖尿病酮症酸中毒的治疗过程中,当血糖降至多少时开始改输葡萄糖液
用于防止疟疾复发和传播的药物是
已知K2CrO7的分子量为294.2,Cr的原子量为51.996,欲配制浓度为400.0mg/L的Cr6+标准溶液500.0mL,则应称取基准物质K2CrO7(以g为单位)的质量为()g。
上海证券交易所和深圳证券交易所自( )起实行退市风险警示制度。
根据《中华人民共和国婚姻法》关于婚姻家庭关系的说法,正确的是()。
在我国直接隶属于省、自治区下面的区域建制是()。
异步传输模式技术中“异步”的含义是
Don’tcovermymouth;Icanhardly(breathe)______.
最新回复
(
0
)