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Male sex chromosomes

Male sex chromosomes

P656/0250

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Credit

ALFRED PASIEKA / SCIENCE PHOTO LIBRARY ALFRED PASIEKA / SCIENCE PHOTO LIBRARY

Caption

Male sex chromosomes. Computer artwork of an X and Y symbolising the male sex chromosomes. An individual's sex is determined by the presence or absence of the Y chromosome. Women have two X chromosomes, while men have an X and a Y. Chromosomes consist of very condensed deoxyribonucleic acid (DNA). DNA contains sections, called genes, which encode the body's genetic information. The Y chromosome only contains genes for 'maleness', for example a gene that triggers the development of the testes, and is much smaller than the X chromosome.

Release details

Model release not required. Property release not required.

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