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gene是什么意思

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gene 是什么意思

音标:[ dʒi:n ]  

中文翻译与英英解释

n.
【生物学】基因。 dominant gene显性基因。
(genetics) a segment of DNA that is involved in producing a polypeptide chain; it can include regions preceding and following the coding DNA as well as introns between the exons; it is considered a unit of heredity; "genes were formerly called factors"
同义词:cistron, factor,

A gene is a molecular unit of heredity of a living organism. It is widely accepted by the scientific community as a name given to some stretches of DNA and RNA that code for a polypeptide or for an RNA chain that has a function in the organism, though there still are controversies about what plays the role of the genetic material.

例句与用法

1.A single gene may have many effects .
单一基因可能具有很多种效应。

2.It applies to duplicate recessive genes .
它适用于双隐性基因。

3.Oligogenic resistance is governed by a few genes .
寡基因抗性由许多基因控制。

4.Wilhelm johannsen coined the term gene .
威廉约翰森提出了基因这个专门术语。

5.It can be modified by nuclear restorer genes .
它可由核中的恢复子基因所改变。

6.Most genes act by producing a protein .
绝大多数基因通过制造蛋白质的过程而起作用。

7.There can be more than two alleles for a gene .
一个基因可能有两个以上的等位基因。

8.A locus is the "location" of a gene along a chromosome .
位点是基因在染色体的位置。

9.There are three short insertions in the maize 23s gene .
玉米的23s基因中有三个短的插入片段。

10.For this reason they are sometimes called jumping genes .
由于这个原因,它们同时又被称为跳跃基因。

 
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