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hairdresserofhw hairdresserofhw
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6 years ago
Many of the breakthroughs in modern biology came after Watson and Crick published their model of DNA in 1953. However, chromosomes were identified earlier. In what decade did scientists first identify chromosomes?
 
  (a) 1880s
  (b) 1920s
  (c) 1940s
  (d) 1780s
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garroghuugarroghuu
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6 years ago
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Smart ... Thanks!
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This helped my grade so much Perfect
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