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Facts about our topic

Did you know?

  • We leave fingerprints on everything we hold and touch because of tiny sweat glands that secrete oils and salt from our fingers. 
  • Fingerprints can be used as a unique 'password' to gain access to high-security places.
  • DNA stands for deoxyribonucleic acid
  • DNA is a code divided into sections called genes, which contain all the information that creates our bodies, including the colour or our hair and eyes.
  • Each cell in your body contains 23 pairs of chromosomes. In each pair, one chromosome is inherited from your mother, and one is from your father.