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sex chromatin
noun as in sex chromosome
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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.
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The cells were then examined for the presence of sex chromatin, a substance found only in female cells.
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Later research showed that the spots, now known as "Barr bodies" or sex chromatin, consisted of one X chromosome � the one that is inactivated after it has done its job of helping to determine femaleness.
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From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.
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