首页
登录
职称英语
[originaltext] They are Big Bertha and Tiny Tina, a couple of little pigs. T
[originaltext] They are Big Bertha and Tiny Tina, a couple of little pigs. T
游客
2023-07-29
70
管理
问题
They are Big Bertha and Tiny Tina, a couple of little pigs. They may look and act differently, but they are identical. They are the newest cloned animals from Texas A&M University, which with their births leads the academic studies in the number of species cloned. And the fact that animals with the exact same genes can be of different sizes and have different character traits may be just the first of many things that scientists hope can be learned from these little pigs.
This latest cloning project-and the wealth of information scientists hope it will provide- is just one of the many such animal-cloning experiments under way. Even as the human- cloning debate has filled headlines, scientists have cloned everything from mice to Iambs to bulls.
And this is only the beginning, say cloning supporters. For instance, breeding disease- resistant cows could save people’s lives in third-world countries. And by cloning endangered species, animals such as the prairie chicken and desert bighorn sheep could be saved from extinction.
选项
A、They are little sheep.
B、They are mice.
C、They are lambs.
D、They are little pigs.
答案
D
解析
转载请注明原文地址:https://www.tihaiku.com/zcyy/2878549.html
相关试题推荐
[originaltext]Ifyoujudgebythenumberofpeoplewhogotoseethegames
[originaltext]Ifyoujudgebythenumberofpeoplewhogotoseethegames
[originaltext]W:Hi,youlookalittlelost.Doyouneedsomehelp?M:No,than
[originaltext]W:Hi,youlookalittlelost.Doyouneedsomehelp?M:No,than
[originaltext]Theyearis2501,andtheEarthisdesperatelyshortoffuel.
[originaltext]W:Excuseme,sir.I’mnewhere.Couldyoushowmehowtomakea
[originaltext]W:Excuseme,sir.I’mnewhere.Couldyoushowmehowtomakea
[originaltext]M:Ithinkyou’dbetterfindanotherpartner.Ilovetabletennis
[originaltext]M:Ithinkyou’dbetterfindanotherpartner.Ilovetabletennis
[originaltext]M:Ithinkyou’dbetterfindanotherpartner.Ilovetabletennis
随机试题
Paintinghasbeencontinuouslypracticedbyhumansforsome20,000years.T
Manystudentsagreedtocome,butsomestudentsagainstbecausetheysaidtheyd
[originaltext]I’msureyourealizethatyourresearchpapersaredueinsi
被动的关节活动度训练适用于:()A.肌力5级 B.肌力4级 C.
A.空间总和 B.后期放电 C.连续性诱导 D.扩散(又称溢生) E.交
如果发行的证券化产品属于债券,发行前必须经过()进行信用评级。A:承销人
A.利水渗湿,解毒 B.利水通淋,清热祛暑 C.利尿通淋,清心火,通乳 D
A.结合水B.非结合水C.自由水分D.结晶水E.平衡水存在于细小毛细管中和渗透到
Thechangeinthatvillagewasmiraculou
维生素D缺乏性手足搐搦症惊厥时首要的处理是A:口服维生素D B:口服钙剂 C
最新回复
(
0
)