genetic code

noun

: the biochemical basis of heredity consisting of codons in DNA and RNA that determine the specific amino acid sequence in proteins and appear to be uniform for nearly all known forms of life

Examples of genetic code in a Sentence

Recent Examples on the Web Now, scientists have traced our tail loss to a short sequence of genetic code that is abundant in our genome but had been dismissed for decades as junk DNA, a sequence that seemingly serves no biological purpose. Mindy Weisberger, CNN, 23 Mar. 2024 Studying the iterations of these genes in 21 separate species, including 6 apes and 15 monkeys, the team found one mutation — an insertion of genetic code in the TBXT gene — present in the former, including humans, and not present in latter. Sam Walters, Discover Magazine, 4 Mar. 2024 Gene Editing Research underway into gene editing – intentionally altering the genetic code of a living organism – may also have the potential to change the microbes that produce methane in livestock’s gut microbiomes. Paul Winters, Discover Magazine, 16 Mar. 2024 This new therapy was developed by Crispr Therapeutics and Vertex Pharmaceuticals to treat sickle cell disease, an ailment caused by a single-letter mutation in the genetic code that has been long understood but was neglected by the research community for decades. Jennifer Doudna, WIRED, 8 Jan. 2024 Most of us are the product of a single genetic code. Cody Cottier, Discover Magazine, 14 Feb. 2024 The switch of an A to a T in the genetic code for hemoglobin results in a hemoglobin protein with a valine instead of a glutamic acid at the sixth amino acid position. Beth Mole, Ars Technica, 8 Dec. 2023 That fact hints at differences in individual biology, determined by each person’s unique genetic code. Cody Cottier, Discover Magazine, 8 Dec. 2023 The Fire-Eye excelled not only at cracking the genetic code for viruses, but also for humans, with machines that can decipher genetic instructions contained within the cells of every person on Earth, according to its Chinese inventors. Cate Brown, Washington Post, 21 Sep. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'genetic code.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1958, in the meaning defined above

Time Traveler
The first known use of genetic code was in 1958

Dictionary Entries Near genetic code

Cite this Entry

“Genetic code.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/genetic%20code. Accessed 19 Apr. 2024.

Kids Definition

genetic code

noun
: the chemical code that is the basis of genetic inheritance and consists of units of three linked chemical groups which specify particular kinds of amino acids used to make proteins or which start or stop the process of making proteins

Medical Definition

genetic code

noun
: the biochemical basis of heredity consisting of codons in DNA and RNA that determine the specific amino acid sequence in proteins and that appear to be uniform for all known forms of life
genetic coding noun

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