DNA and the genome

• What is DNA?

  A chemical polymer that is genetic material, inside the nucleus of a cell.
• What is a gene?

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

  A thread-like structure, made of DNA, that contains many genes.
• What is a genome?

  The entire genetic material of an organism.
• What were the main objectives of the human genome project? DIM

  • Disease
  • Inheritance
  • Migration pattern
• What is the structure of DNA?

  • Made up of 2 polymer strands, forming a double helix.
  • Made up of repeating nucleotide units.
  • Has complementary strands that are linked - TA CG
• What are nucleotides made of?

  • A phosphate
  • A base
  • A sugar