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DNA

DNA

∞ 3.2
A long molecule in cells that carries genetic information for living things
  • noun
  • /diːˌɛnˈeɪ/
  • Specialized
: ADN
  • The scientist extracted DNA from the ancient bones to study the species' evolution.
  • DNA sequence
  • DNA sample
  • DNA extraction

Why would you want to cut DNA to do anything?

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Examples

  • How does mitochondrial DNA fit into all of this?

  • We're talking about editing Norm's DNA so he has blue eyes.

  • You can do the same thing with DNA, and we should.

  • And in order to have DNA, you have to make DNA.

  • I got a decent DNA sample from the blood on the window.

  • Upon contact with the receiver, the bacteria release the DNA message to the destination.

    Academic text (2011)
  • They have their own DNA, their own genome.

  • The technique used to look for ancient DNA is extremely sensitive to contamination.

    Academic text (2008)
  • Genes are stretches of DNA that code for proteins.

  • When patients have blood drawn, especially for DNA sequencing, the sample may be preserved for future research.

    Academic text (2015)

Synonyms

deoxyribonucleic acid
vsDNA
  • Specialized
2 4.2

A long molecule in cells that carries information about how living things grow and look

refers to the molecule in living organisms without saying almost all
1 5.6

A long chemical in cells that carries information about how living things grow and work

is the standard modern form of the same name

Compounds

junk DNA
  • Specialized
5 6.3

Parts of DNA that do not make proteins and whose function is mostly unknown

DNA fingerprint
  • Specialized
4 4.2

A unique pattern in a person's DNA that identifies them

recombinant DNA
  • Specialized
3 5.8

A piece of DNA made by joining genes from different living things

DNA polymerase
  • Specialized
1 3.9

A protein that makes new DNA strands using an existing strand as a guide during cell division

plasmid DNA
  • Specialized
1 4.6

A small circular piece of DNA in cells that copies itself separately from the cell's main DNA

coding DNA
  • Specialized
1 5.2

Part of a gene's DNA that tells a cell how to make a protein

1 6.6

Methods used in a lab to join DNA from different living things to make new gene combinations

DNA chip
  • Specialized
1 4.3

A small device with many pieces of DNA that tests genes in samples

Computer system that stores people's DNA profiles so police can find matches in criminal cases

complementary DNA
  • Specialized
1 5.7

A single-stranded DNA made from messenger RNA that shows which genes are active

noncoding DNA
  • Specialized
1 6.0

Parts of DNA that do not make proteins and help control when genes work

junk DNA
  • Informal
4.6

Unneeded parts of a system, such as old code or data, that should be removed

Surface Forms

DNA singular
DNAs plural

Etymology

DNA comes from the chemical name deoxyribonucleic acid, where deoxy- means 'without oxygen', ribo- refers to a sugar, nucleic means 'from the nucleus', and acid means 'an acid'. So DNA is the special chemical in a cell's nucleus that holds the instructions or 'code' for how a living thing grows and works.