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
Until just a few years ago, making a baby boy or a baby girl was pretty much a hit-or-miss (偶然的,碰运气的) affair. Not anymore. Paren
Until just a few years ago, making a baby boy or a baby girl was pretty much a hit-or-miss (偶然的,碰运气的) affair. Not anymore. Paren
admin
2013-06-03
58
问题
Until just a few years ago, making a baby boy or a baby girl was pretty much a hit-or-miss (偶然的,碰运气的) affair. Not anymore. Parents who have access to the latest genetic testing techniques can now predetermine their baby’s sex with great accuracy, as Monique and Scott Collins learned to their delight two years ago, when their long-wished-for daughter Jessica was born after genetic prescreening at a fertility clinic in Fairfax, Virginia.
And baby Jessica is just the beginning. Within a decade or two, it may be possible to screen kids almost before pregnancy for an enormous range of attributes, such as how tall they’re likely to be, what body type they will have, their hair and eye color, and even, conceivably, their IQ and personality type.
In fact, if gene therapy lives up to its promise, parents may someday be able to go beyond weeding out undesirable traits and start actually inserting the genes they want, perhaps even genes that have been crafted in a lab. Before the new millennium, parents may be going to fertility clinics and picking from a list of options the way car buyers order air conditioning and chrome-alloy wheels. "It’s the ultimate shopping experience: designing your baby," says biotechnology critic Jeremy Rifkin, who is appalled by the prospect. "In a society which is using to cosmetic surgery, this is not a big step."
The prospect of designer babies, like many of the ethical problems posed by the genetic revolution, is confronting the world so rapidly that doctors, ethicists, religious leaders and politicians are just starting to grapple (格斗) with the implications, and trying to decide how they feel about it all.
They still have a bit of time. Aside from gender, the only traits that can now be identified at the earliest stages of development are about a dozen of the most serious genetic diseases. Gene therapy in embryos (胚胎) is at least a few years away. And the gene or combination of genes responsible for most of our physical and mental attributes hasn’t even been identified yet, making moot (无实际意义的) the idea of engineering genes in or out of a fetus (胎儿).
What best expresses Jeremy Rifkin’s attitude toward designing babies through gene therapy?
选项
A、Strongly supportive.
B、Cautiously welcome.
C、Uncommitted.
D、Critical.
答案
D
解析
转载请注明原文地址:https://kaotiyun.com/show/Hig7777K
0
大学英语四级
相关试题推荐
【S1】【S10】
【S1】【S4】
WhenKatherineGoldsteinwas【S1】______upinthesuburbsofWashington,D.C.,hermom,anartist,wasusuallyhomewaitingfor
Thepassagemainlydescribestheadvantagesanddisadvantagesofrobotcarraces.ThePentagon’sDefenseAdvancedResearchProj
Televisionnowplayssuchanimportantpartinmanypeople’slives.Itis【B1】______forustotrytodecidewhetheritisabless
A、Printingmoney.B、Limitingstatetaxes.C、Makingtreatieswithforeigncountries.D、Passinglawsaffectingtradebetweenthes
A、Hewasveryrich.B、Hewasanxioustogetit.C、Hisbusinesswasverysuccessful.D、Hewantedtomakethejewelerbelievehim.
A、Ahouse.B、Agarden.C、Apark.D、Afarm.D信息推断题。岛屿形成后,科学家在岛上建起了房子以便观察这个小小的世界,科学家是来工作而不是来玩的,所以可排除A,B,C而选D。
A、One.B、Two.C、Three.D、Four.C细节题。这位女士问道:“Doesithavethreebedrooms?”由此可知,她想租三间一单元的房子。B)项是经理的否定回答。A)、D)项对话中没有提及。答案为C)。
随机试题
设y=f(y)是由方程.xy+lny=0确定的函数,则=().
=____________.
尿糖阳性,除糖尿病外还可能包括
A.四逆散B.逍遥散C.大柴胡汤D.葛根芩连汤E.小柴胡汤
定量分析时,对分离度的要求是在重复性试验中,对峰面积测量值的RSD的要求是
国家统一规定,养老保险的结余要预留相当于()的养老金开支,其余按规定处理。
《旅馆业治安管理办法》规定,饭店对旅客寄存的财物要建立()
简述《中华人民共和国民办教育促进法》的基本原则。
据联合国人口基金预计:如果出生率降到每位妇女平均生两个孩子,到2050年世界人口将达94亿,2200年将达110亿。联合国人口基金报告预i贝0了世界人口分布将发生变化,因为生活在发达地区人口所占的百分比将从1995年的19%降到2150年的10%。1950
[2009年10月]关于x的方程a2x2一(3a2一8a)x+2a2一13a+15=0至少有一个整数根。(1)a=3;(2)a=5。
最新回复
(
0
)