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clone    音标拼音: [kl'on]
n. 无性系

无性系

clone
n 1: a person who is almost identical to another [synonym: {ringer},
{dead ringer}, {clone}]
2: a group of genetically identical cells or organisms derived
from a single cell or individual by some kind of asexual
reproduction [synonym: {clone}, {clon}]
3: an unauthorized copy or imitation [synonym: {knockoff}, {clone}]
v 1: make multiple identical copies of; "people can clone a
sheep nowadays"

clone \clone\ v. t.
1. (Biol.) to make a clone from; to make identical copies of
an organism by a non-sexual process of reproduction.
[WordNet 1.5]

2. (Microbiol.) to grow colonies of a microorganism by
spreading a suspension of the microorganism onto a solid
growth medium (such as in a Petri dish), at a
concentration such that individual colonies will grow from
single cells sufficiently well separated from other
colonies so that pure cultures derived from a single
organism can be isolated.
[WordNet 1.5]

3. (Biochem.) to make large quantities of a segment of DNA by
inserting it, using biochemical techniques, into the DNA
of a microorganism, and growing that microorganism in
large numbers; as, to clone the gene for growth hormone.
[PJC]


clone \clone\ (kl[=o]n), n.
1. (Biol.) a group of organisms derived from a single
individual by some kind of asexual reproduction; -- used
mostly of microorganisms such as bacteria and yeast.

Syn: clon.
[WordNet 1.5]

2. (Biol.) an individual organism containing a genetic
complement identical to that of another organism, produced
by using the genetic material from the second animal in a
non-sexual reproduction process.
[PJC]

3. something virtually identical to another object.
[PJC]

31 Moby Thesaurus words for "clone":
Photostat, Xerox, copy, counterpart, ditto, double, dupe,
duplicate, duplication, facsimile, hectograph, manifold, microcopy,
microfilm, mimeo, mimeograph, model, multigraph, quadruplicate,
reduplicate, repetition, replica, replicate, replication,
representation, reproduce, reproduction, stat, trace, transcribe,
triplicate

1. An exact copy of a product, made legally or
illegally, from {documentation} or by {reverse engineering},
and usually cheaper.

E.g. "PC clone": a PC-BUS/{ISA}, {EISA}, {VESA}, or {PCI}
compatible {x86}-based {microcomputer} (this use is sometimes
misspelled "klone" or "PClone"). These invariably have much more
bang per buck than the {IB PCM} they resemble.

E.g. "Unix clone": An {operating system} designed to deliver a
{Unix}-like environment without Unix licence fees or with
additional "mission-critical" features such as support for
{real-time} programming.

2. A {clonebot}.

[{Jargon File}]

(2000-06-15)

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  • Cloning - Wikipedia
    Cloning is the process of producing individual organisms with identical genomes, either by natural or artificial means In nature, some organisms produce clones through asexual reproduction; this reproduction of an organism by itself without a mate is known as parthenogenesis
  • Cloning | Definition, Process, Types | Britannica
    cloning, the process of generating a genetically identical copy of a cell or an organism Cloning happens often in nature—for example, when a cell replicates itself asexually without any genetic alteration or recombination
  • Cloning Fact Sheet - National Human Genome Research Institute
    The copied material, which has the same genetic makeup as the original, is referred to as a clone Researchers have cloned a wide range of biological materials, including genes, cells, tissues and even entire organisms, such as a sheep
  • How does cloning work? - Live Science
    Learn what cloning is, how it's used, and how it works The most famous animal clone is Dolly the sheep, created in 1996 (Image credit: Getty Images)
  • CLONE Definition Meaning - Merriam-Webster
    Cloning is fundamental to most living things, since the body cells of plants and animals are clones that come from a single fertilized egg More narrowly, the term refers to an individual organism grown from a single body cell of its parent that is genetically identical to the parent
  • Cloning - National Geographic Society
    To clone a gene, researchers take DNA from a living creature and insert it into a carrier like bacteria or yeast Every time that carrier reproduces, a new copy of the gene is made
  • What is Cloning - University of Utah
    When scientists clone a gene, they isolate and make exact copies of just one of an organism's genes Cloning a gene usually involves copying the DNA sequence of that gene into a smaller, more easily manipulated piece of DNA, such as a plasmid
  • What Is DNA Cloning and How Does It Work? - Biology Insights
    DNA cloning lets scientists copy specific genes using enzymes, vectors, and bacteria Here’s how the process works and why it matters in research and medicine
  • CLONE Definition Meaning | Dictionary. com
    Clone is often used informally to indicate a close copy or resemblance: “This new computer is a clone of the IBM model ” Examples are provided to illustrate real-world usage of words in context Any opinions expressed do not reflect the views of Dictionary com
  • Clone - definition of clone by The Free Dictionary
    1 To make multiple identical copies of (a DNA sequence) 2 To create or propagate (an organism) from a clone cell: clone a sheep 3 To reproduce or propagate asexually: clone a plant variety 4 To produce a copy of; imitate closely: "The look has been cloned into cliché" (Cathleen McGuigan)





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