DNA

• What is DNA?

  The chemical that makes up the genetic material found in the nucleus of the cell

  • Stands for deoxyribonucleic acid
• How many strands of DNA make up a DNA molecule?

  Two strands

  • The DNA molecule is a polymer
• What name is given to the structure of a DNA molecule?

  A double helix structure
• What are chromosomes?

  Structures made up of long lengths of DNA that are found in the nucleus
• What is a gene?

  A small section of DNA on a chromosome that codes for a sequence of amino acids to make a specific protein
• What is a genome?

  The entire genetic material of an organism
• 3 benefits of understanding the human genome:

  1. Genes can be linked to different diseases
  2. Better understanding and treatment of inherited diseases
  3. Differences between the genomes of populations can show how humans have migrated around the world