sex chromatin
Americannoun
Etymology
Origin of sex chromatin
First recorded in 1950–55
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.
All human cells, says Dr. Murray L. Barr of the University of Western Ontario, contain something called sex chromatin.
From Time Magazine Archive
The cells were then examined for the presence of sex chromatin, a substance found only in female cells.
From Time Magazine Archive
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.
