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centimorgan

British

/ ˈsɛntɪˌmɔːɡən /

noun

genetics a unit of chromosome length, used in genetic mapping, equal to the length of chromosome over which crossing over occurs with 1 per cent frequency

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of centimorgan

C20: named after Thomas Hunt Morgan (1866–1945), US biologist

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.

The results show the number of genome locations that match, with each match called a centimorgan.

From Los Angeles Times • Nov. 24, 2019

Jenny searched for answers online and learned about the centimorgan - a unit of genetic linkage.

From BBC • Dec. 19, 2018

On his Ancestry.com page, Magliocco’s DNA results had been posted, listing him third - right beneath Sachetta’s two sons, Gabe and Luke - with a centimorgan count that had risen to the low thousands.

From Washington Times • Nov. 9, 2018

In genetics, a centimorgan is a unit for measuring genetic linkage.

From Washington Times • Nov. 9, 2018

Sachetta and the woman shared a centimorgan count of between 80 and 90, which was less than 1 percent shared DNA between the two of them.

From Washington Times • Nov. 9, 2018

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023