30.4 MB (628.9 KB compressed)
2728 x 3898 pixels
23.1 x 33.0 cm ⏐ 9.1 x 13.0 in (300dpi)
JAMES CAVALLINI / SCIENCE PHOTO LIBRARY JAMES CAVALLINI / SCIENCE PHOTO LIBRARY
Colour enhanced male XY chromosome. The human karyotype is composed of 23 pairs of chromosomes, including 1 pair of sexual chromosomes (XX for woman, XY for man). The chromosomes carry genetic information, and are formed by a long DNA molecule associated with proteins. Illustration of Microscopy. Magnification 3900x per 10 cm.
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