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The day the human DNA was mapped – level 1
14-04-2003In 1990, scientists begin a special project. They want to map...
The day the human DNA was mapped – level 2
14-04-2003In 1990, scientists began a project with the goal of mapping...
The day the human DNA was mapped – level 3
14-04-2003In 1990, scientists started a project with the goal of mapping...
The day the world saw the first cloned sheep – level 2
22-02-1997Dolly was a sheep born on July 5, 1996. She looked...
The day the world saw the first cloned sheep – level 3
22-02-1997Dolly was a sheep born on July 5, 1996. At first...
