two chromosomes, one of paternal origin, the other of maternal origin, that are identical in appearance and pair during meiosis
Can you see the difference between those symbols?
Though one of the least-used letters, X has a remarkable way of getting attention. We’ve already looked at the varied uses of X: Gen X, Xbox, XOXO, the X chromosome. British dramatist Ben Jonson wanted to remove the 24th letter from the alphabet, saying, that x “is rather an abbreviation, or way of short writing, than a letter: for it hath the sound of c and s, or k and s.” …
What the “x” in “Xbox” stands for, plus when did “x” start to mean “the unknown?”
No letter in the English language gets around like X. The 24th letter of the alphabet shows up everywhere, from the popular Xbox to standing in for a signature on legal documents. It represents a chromosome, signifies the multiplication process, and marks “the spot” on treasure maps. Let’s explore just a few of the uses of this versatile letter. The story behind the X in Xbox …
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
A pair of matching chromosomes in an organism, with one being inherited from each parent.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.