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Macintosh Picture Format  |  1996-09-10  |  180.7 KB  |  640x310  |  8-bit (215 colors)
   ocr: Laboratornes a look beyond anatomy and into the genes. The work begins when an organism's DNA, deoxyribonucleic acid (the molecu- lar basis of inheritance) is extracted and sequenced. Scientists then analyze the results with a powerful super- computer. When the information revealed through these efforts is added to that yielded by the study of anatomical features, a much fuller picture emerges, one that augments and in some cases even alters our concepts of evolutionary history. Insects and other animals trapped in amber provide a rare opportunity to extract 215