Nearby Words
crossing over
Crossovers southerncalifornia.buyatoyota.com/ Official Site for Sales Event Deals 0% APR, Low Leases or Cash Back!
Jeep® Official Site www.jeep.com/Patriot 2012 Patriot - Winner Of IIHS Top Safety Pick. See Picture Gallery!
The 2012 Dodge Durango www.dodge.com/Durango An All-New Interior & Powertrain Engine Make This A Ride Redefined.
Ads
crossing over
noun Genetics.
the interchange of corresponding chromatid segments of homologous chromosomes with their linked genes.
Origin:
1910–15
1910–15
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source
Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source
|
Link To crossing over
00:10
00:09
00:08
00:07
00:06
00:05
00:04
00:03
00:02
00:01
Crossing over
is always a great word to know.
So is ninnyhammer. Does it mean:
| a fool or simpleton; ninny. |
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
Collins
World English Dictionary
| crossing over | |
| —n | |
| biology See also linkage the interchange of sections between pairing homologous chromosomes during the diplotene stage of meiosis. It results in the rearrangement of genes and produces variation in the inherited characteristics of the offspring | |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
American Heritage
Medical Dictionary
crossing over cross·ing o·ver (krô'sĭng) or cross·ing-o·ver (krô'sĭng-ō'vər)
n.
The exchange of genetic material between homologous chromosomes that occurs during meiosis and contributes to genetic variability.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
American Heritage
Science Dictionary
crossing over or crossing-over  (krô'sĭng-ō'vər) Pronunciation Key
The exchange of genetic material between homologous chromosomes that occurs during meiosis and contributes to genetic variability. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Word Dynamo Rating For Crossing over
Dictionary.com, LLC. Copyright © 2012. All rights reserved.
