Human X And Y Chromosomes
by Biophoto Associates
Title
Human X And Y Chromosomes
Artist
Biophoto Associates
Medium
Photograph - Photograph
Description
SEM of human X and Y chromosomes. Each chromosome has replicated to form an identical copy, or chromatid, to which it is joined. The combination of sex chromosomes inherited during fertilization determines a person's sex. Males inherit an X and a Y chromosome (as seen here), while females inherit two copies of the X chromosome. The Y chromosome carries instructions for the development of male characteristics. The sex chromosomes are one pair of 23 present in most cells of the body. Chromosomes contain the genetic material DNA (deoxyribonucleic acid). X35,000. Original 9m7866.
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August 14th, 2014
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