Centuries: 9th century - 10th century - 11th century
Decades: 920s 930s 940s 950s 960s - 970s - 980s 990s 1000s 1010s 1020s
Years: 971 972 973 974 975 - 976 - 977 978 979 980 981
... to match suspects to samples of blood, hair, saliva or semen. It is also used in such applications as studying populations of wild animals, paternity testing, ...
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