DNA

• What is a chromosome?

  A really long molecule of DNA
• What is the shape of DNA?

  Two strands coiled into the shape of a double helix
• What is a gene?

  A small section of DNA found on a chromosome
• What do genes code for?

  A particular sequence of amino acids which are put together to make a specific protein
• How many amino acids are used?

  20
• What do genes tell the cells?

  Which order to put the amino acids together
• What is a genome?

  The entire set of genetic material in an organism
• What does identifying genes in the human genome help do?

  Find genes that are linked to specific diseases which means treatments can be made for them
• What can scientists track through the genome?

  Migration as there are small differences in genomes that moved away