is only expressed when paired with another recessive gene D. is E. xpressed randomly 相关知识点: 试题来源: 解析 C。解析:在遗传学中,隐性基因只有当与另一个隐性基因配对时才会表达出来。A选项说总是被表达,这是错误的,隐性基因单独存在时不表达。B选项说从不表达也是错误的,在特定条件下会表达。...
答案:A gene is all the DNA that encodes the primary sequence of some final gene product, which can be either a polypeptide or an RNA with a structural or catalytic function.; NIH: A gene is the basic physical and functional unit of heredity. Genes are made up of DNA. Some genes act ...
In the field of genetics, a new gene has been discovered. It is called___. A. Gene X B. Gene Y C. Gene Z D. Gene W 相关知识点: 试题来源: 解析 A。在遗传学领域新发现的基因被称为 Gene X,其他选项不符合题意。反馈 收藏
A gene is often defined as a segment of DNA that contains the instructions for a particular protein or RNA molecule.A.正确B.错误的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转化为在线题库
“使用筷子的适应性”,利用这个词作为答案线索,这样发现答案相关句:One is the possibility that Plomin’s group fell for“chopsticks fallacy”.Geneticists might think they’ve found a gene for chopsticks flexibility,but all they’ve really found is a gene more common in Asians,than,say, Africans....
provides a forum to address the most important challenges and advances in our understanding of neurological disease, and highlights emerging trends and prospects for effective treatments in common but very serious disorders such as stroke, epilepsy, multiple sclerosis and Parkinson's disease....
A. double B. two C. couple D. pair 相关知识点: 试题来源: 解析 A。解析:本题考查固定搭配。double - edged sword是双刃剑的意思,这里表示基因编辑是一把双刃剑,既有好处也有风险。two不能这样搭配,couple和pair也没有这种用法。反馈 收藏
aIf one now is able to express a natural gene in simple bacteria such as Escherichia coli (E. coli), a bacterium living in intestines that has become the model organism for much of biotechnology, one can have this bacterium make a lot of the protein coded for by the gene, regardless ...
"Gene editing" is a type of genetic engineering in which DNA is inserted, deleted or replaced in the genome of an organism. Which of the following is a proper description of gene editing? A. It is completely safe and has no ethical issues. B. It can only be used on plants, not on...
What is the term for the trait expressed when one allele determines the phenotypes, masking the action of another allele? What are alleles in biology? When there are more than two alleles for a gene, this is called ___. (a) multiple alleles (b) Pleiotropy (c) Epistasis. What...