extrachromosomal
Americanadjective
Etymology
Origin of extrachromosomal
First recorded in 1935–40; extra- + chromosomal ( def. )
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
These chains—the longest extrachromosomal genetic material ever found—most likely enter single-celled archaea and help them break down methane.
From Scientific American ● Oct. 2, 2021
“I don’t think anything else that’s been discovered is as big as these guys are,” among previously known extrachromosomal DNA elements, Doolittle says.
From Science Magazine ● Jul. 15, 2021
The DNA transferred can be in the form of a plasmid, a small circular piece of extrachromosomal DNA, or as a hybrid, containing both plasmid and chromosomal DNA.
From Textbooks ● Jan. 1, 2015
The resulting construct, pSEZ3, was microinjected into MQD753, and strain MQD859 expressing mitochondrion-targeted KillerRed from an extrachromosomal transgene array was obtained.
From Nature ● Apr. 4, 2014
Two independent extrachromosomal arrays were obtained, one of which, hqEx350, was chromosomally integrated through gamma-irradiation.
From Nature ● Apr. 4, 2014
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
