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
2024-03-01
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、Animals with the exact same genes can be different in sizes and character traits.
B、Animals with the exact same genes can only be the sizes and character traits.
C、Animals with different genes can be the same in sizes and character traits.
D、Animals with different genes have been cloned all over the world.
答案
A
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3494810.html
相关试题推荐
[originaltext]InHollywood,everybodywantstoberich,famousandbeautifu
[originaltext]InHollywood,everybodywantstoberich,famousandbeautifu
[originaltext]MyfriendLeomakesupweakandpoorexcuseswheneverthere’s
[originaltext]MyfriendLeomakesupweakandpoorexcuseswheneverthere’s
[originaltext]W:Bob,doyouknowwhoIsawtheotherday?OldJake,lookingte
[originaltext]W:Bob,doyouknowwhoIsawtheotherday?OldJake,lookingte
[originaltext]InBritain,anyonewhoisphysicallyandmentallyfitandoverth
[originaltext]M:Hi,Molly!Whatareyoudoinghere?W:Hi,Jack.Theusualthi
[originaltext]M:So,whatareyourthoughtsonthisproject?Tobehonest,I’m
[originaltext]M:So,whatareyourthoughtsonthisproject?Tobehonest,I’m
随机试题
Spaceisadangerousplace,notonlybecauseofmeteors(流星)butalsobecause
[originaltext][23]Thesolution,bothtopreventtheexcessesofpraiseand
下列设施中,属于交通标志的有()。A.警告标志 B.指示标志 C.指令标志
在场面调度中,()是指角色沿着与镜头水平线成夹角的线路作正向或背向运动。这个场
TheHypertextTransferProtocol,theWeb'
A.中毒性细菌性痢疾 B.鹅口疮 C.过敏性血小板减少性紫癜 D.肾上腺皮
不存在有规律的长期供给曲线的市场包括()。 I.完全竞争市场 II.完全垄断
某饱和软黏土边坡已出现明显的变形迹象,可以认为在φu=0整体圆弧法计算中,其稳
把下面的六个图形分为两类,使每一类图形都有各自的共同特征或规律,分类正确的一项是
基金分红分为现金分红和红利再投资两种形式。()
最新回复
(
0
)