Dr Francois Iris with examples of DNA patterns. RIGHT: DNA bands that show how difficult it is to get a reading if the sample is degraded. The band on the left is from fresh blood frozen for five months, the centre band is fresh blood, and the dark pattern on the right is fresh blood exposed to the air for 24 hours.) All three samples are from the same individual. BOTTOM: five bands from the same person but using different cells. The band second from left is faulty due to incomplete cutting by the molecular scissor. The next three sets are from monozygotic (identical) twins. The dark patch on the first set of bands shows a genetic malfunction that caused this twin to have no gall bladder. The last set again shows different cells from the same person.
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Press, 5 March 1988, Page 21
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138Dr Francois Iris with examples of DNA patterns. RIGHT: DNA bands that show how difficult it is to get a reading if the sample is degraded. The band on the left is from fresh blood frozen for five months, the centre band is fresh blood, and the dark pattern on the right is fresh blood exposed to the air for 24 hours.) All three samples are from the same individual. BOTTOM: five bands from the same person but using different cells. The band second from left is faulty due to incomplete cutting by the molecular scissor. The next three sets are from monozygotic (identical) twins. The dark patch on the first set of bands shows a genetic malfunction that caused this twin to have no gall bladder. The last set again shows different cells from the same person. Press, 5 March 1988, Page 21
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