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The two chromosomes in each body cell of a living thing that determine what sex it is.
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notes for sex chromosomes
As with other pairs of chromosomes, one of the sex chromosomes is contributed by each parent; they are of two types, X and Y. The mother supplies only an X-chromosome, but the father can transmit both the X- and the Y-chromosome. At fertilization, if the father's sperm is also carrying an X-chromosome, the child will be female. If the father's sperm is carrying a Y-chromosome, the child will be male.
Words nearby sex chromosomes
sex cells, sexcentenary, sex change, sex chromatin, sex chromosome, sex chromosomes, sex crime, sexdecillion, sexed, sexed-up, sexenary
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.
How to use sex chromosomes in a sentence
These observations on sex-linked heredity confirm the idea that the sex chromosomes determine the sex.The Organism as a Whole|Jacques Loeb
Following Wilson's nomenclature, we speak of both X and Y as sex chromosomes.
The daughter gets one of her sex chromosomes from her mother and the other from her father.
We spoke a moment ago of hereditary traits whose determiners are bound up in the sex chromosomes.
Normal color vision is hereditary and the determiners which establish it are in the sex chromosomes.