MARK THOMAS / SCIENCE PHOTO LIBRARY MARK THOMAS / SCIENCE PHOTO LIBRARY
Paternity testing. Packets containing swabs for the collection of DNA samples for analysis to determine the paternity of a child (GeneTree). Samples are collected by brushing a swab inside the cheek. Samples from the child, the mother and the alleged father are sent to a laboratory for DNA fingerprinting. By comparing the genetic profiles it is revealed, with 99.9% accuracy, whether the alleged father is the biological father. Also shown is a kit for establishing relationships between distant relatives (Relative Genetics). For example, samples can be taken from two men with the same surname to establish whether they share a common ancestor.
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