concept

Separation of DNA fragments by electrophoresis through an agarose gel.

DNA analysis

Human head sculpted in clay, forming the cheekbones

Human head sculpted in clay, forming the eye sockets

Human head sculpted in clay, facial muscles of expression

Human head sculpted in clay, facial muscles

Human head sculpted in clay, early stage in process

The first DNA fingerprint. The first three lanes contain DNA from a woman, her mother and her father respectively. Lanes 4 - 11 contain DNA from assorted other species including mouse, baboon, lemur, cow, grey seal and tobacco (last lane). The DNA probe used in this experiment detected tandomly repeated short stretches of DNA called minisatellites whose length varies between individuals.

Focus on genetics

Human head sculpted in clay, refinement of facial features

Human head sculpted in clay, applying the skin

Human head sculpted in clay, skull viewed from the front

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Forensic science

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Human head sculpted in clay, refinement of facial features

Human head sculpted in clay, facial muscles

Human head sculpted in clay, applying the skin

Human head sculpted in clay, skull viewed from the front

Focus on genetics