dna

plural dnas

1. alternativecountableuncountableAlternative form of DNA.

plural DNAs

1. abbreviationcountableinitialismuncountablebiochemistryInitialism of deoxyribonucleic acid (“a nucleic acid found in all living things (and some non-living things such as certain viruses) which consists of two polynucleotide chains that coil around each other to form a double helix; encoded in its structure are genetic instructions for development, functioning, growth, and reproduction”).

   Recent breakthroughs in DNA technology are expected to provide investigators with powerful forensic tools to help solve these difficult kinds of cases.

   1988 August, John W. Hicks, “DNA Profiling: A Tool for Law Enforcement”, in Thomas J. Deakin, editor, FBI Law Enforcement Bulletin, volume 57, number 8, Washington, D.C.: Federal Bureau of Investigation, United States Department of Justice; Office of Congressional and Public Affairs, →ISSN, →OCLC, page 1, column 3

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   Among the various fractions isolated was one presumed to contain only desoxyribosenucleic acid (DNA). Because of certain speculations on the role of nucleic acids in protein synthesis it was necessary to measure and compare the rate of phosphate entry into DNA with that in other fractions of yeast phosphate.

   1948 March–April, Martin D[avid] Kamen, “Detection of Intermediates, Criteria of Purity”, in Louis H. Roddis, editor, Supplement to the United States Naval Medical Bulletin on Preparation and Measurement of Isotopes and Some of Their Medical Aspects, Washington, D.C.: Bureau of Medicine and Surgery, U.S. Navy; U.S. Government Printing Office, →OCLC, page 118

   We wish to suggest a structure for the salt of deoxyribose nucleic acid (D.N.A.). This structure has novel features which are of considerable biological interest.

   1953 April 25, J[ames] D[ewey] Watson, F[rancis] H[arry] C[ompton] Crick, “Molecular Structure of Nucleic Acids: A Structure for Deoxyribose Nucleic Acid”, in Nature: A Weekly Illustrated Journal of Science, volume 171, number 4356, London: Macmillan and Co.; New York, N.Y.: The Macmillan Company, →OCLC, archived from the original on 03 Apr 2015, page 737, column 1

   As you know, heredity resides in our genes. Our genes are, in turn, composed of complex molecules called DNA. About 10 years ago we learned how to synthesize DNA in the test tube with the use of a certain cellular catalyst or enzyme. […] During the past year, we have been able to synthesize DNA which has the full genetic activity of natural DNA.

   1968 March 8, Arthur Kornberg (witness), “Statement of Dr. Arthur Kornberg, Professor and Executive Head of the Department of Biochemistry, Stanford University School of Medicine, Palo Alto, Calif.”, in National Commission on Health Science and Society: Hearings before the Subcommittee on Government Research of the Committee on Government Operations, United States Senate, Ninetieth Congress, Second Session on S.J. Res. 145: A Joint Resolution for the Establishment of the National Commission on Health Science and Society […], Washington, D.C.: U.S. Government Printing Office, →OCLC, page 40

   Because of her significant testing, Avery had had DNA sequencing of her “exome,” the part of her genome that makes proteins in the body, said Dr. Michael Wangler, a researcher at the Jan and Dan Duncan Neurological Research Institute at Texas Children’s Hospital.

   2017 December 18, Ashley Strickland, “Mystery condition gives way to bright future for 10-year-old”, in CNN

   [I]n bacteria, recombination between the DNAs of different organisms usually occurs between a piece of DNA from one strain of a bacterium, called the donor strain, and the entire chromosome of another strain, called the recipient strain.

   2020, Tina M. Henkin, Joseph E. Peters, “Bacterial Genetic Analysis: Fundamentals and Current Approaches”, in Snyder & Champness: Molecular Genetics of Bacteria, 5th edition, Washington, D.C.: ASM Press, →ISBN, page 157, column 1

   Synonyms: thread of life

2. broadlycountableinformaluncountableThe part of a living thing that carries genetic information.
3. countablefigurativelyuncountableThe fundamental nature or values of a person, or an organization or other thing, especially when considered as innate or immutable.

   These ingredients in a company's DNA mean that [the] company will attract and grow leaders with these qualities.

   2003, Kevin [John] Kennedy, Mary Moore, “The Predictable Challenges Faced by Dominant Companies”, in Going the Distance: Why Some Companies Dominate and Others Fail, Upper Saddle River, N.J.: Financial Times Prentice Hall, →ISBN, page 14

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   The main leadership priority at Level 2 is creating the business's DNA by defining how all the moving parts of the company will work, both independently and together.

   2012, Bill McBean, “Fact 1: If You Don’t Lead, No One Will Follow”, in The Facts of Business Life: What Every Successful Business Owner Knows that You Don’t, Hoboken, N.J.: John Wiley & Sons, →ISBN, page 58

   But this new fixation on guns is […] coming from the hardcore MAGA set, and not only is it likely to stick around beyond the primaries, it's likely hardwired into the DNA of a party now driven by extremism, conspiracy, and a belief that violence is a legitimate tool to achieve desired political outcomes.

   2022 April 13, Ryan Bort, “The Real Reason Republicans are Loading Their 2022 Campaign Ads with Guns”, in Rolling Stone, New York, N.Y.: Penske Media Corporation, →ISSN, →OCLC, archived from the original on 09 Dec 2022

   We cannot have a culture that sees safeguarding as a separate add-on. It needs to be part of our DNA, as an expression of our love for one another and our commitment to the Gospel.

   2022 October 28, Past Cases Review 2, National Safeguarding Steering Group of the Church of England, archived from the original on 11 Jun 2024, page 4

present singular third person DNAs · participle present DNAing · participle past DNAed · past DNAed

1. transitiveTo examine a sample of (someone's) deoxyribonucleic acid.

   The only way we're gonna know is if we DNA him against the spunk in Karen.

   2002, Matthew Stokoe, High Life, New York, N.Y.: Akashic Books, published 2008, →ISBN, page 261

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   The barrister went on to say that his client 'remains persecuted and victimised. He has been DNAed; his hair, his blood and his clothes. Nothing. No charges have ever been brought.'

   2004, Michael Sheridan, Death in December: The Story of Sophie Toscan Du Plantier, updated edition, Dublin: O’Brien, →ISBN, page 194

   Maybe nothing to do with the break-in, but worth fingerprinting the wrapper and DNAing the gum.

   2020, Julian Mitchell, A Devon Deception, Kibworth Beauchamp, Leicestershire: Matador, →ISBN

1. UShistoricalgovernmentDefense Nuclear Agency, an agency of the United States Department of Defense which existed from 1971 to 1996 and has since been reorganized as the Defense Threat Reduction Agency.

1. Did not answer.
2. Did not arrive (used when someone fails to keep an appointment).
3. Did not attend.
4. Do not assume.
5. Does not apply.
6. Drugs 'n' alcohol.
7. USgovernmentDo not arm (that is, do not provide with a firearm).

present singular third person DNAs · participle present DNAing · participle past DNAed · past DNAed

1. USgovernmentTo place (someone) under a DNA (do not arm) order because of mental illness.

   She had her weapons back. She wasn't DNA'd anymore. But she didn't use a weapon. That's not how she did it.

   2018, Jeanne Marie Laskas, To Obama, with Love, Joy, Hate and Despair, New York, N.Y.: Random House, →ISBN, page 239