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  • Created by: GGB2016
  • Created on: 21-06-16 17:28

1. Which of these was NOT an aim of the Human Genome Project?

  • To use genetic information to produce ideal humans
  • To determine all base sequences in DNA and the genes they form
  • To consider legal and ethical issues
  • To locate genes on the human chromosomes
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2. What allows for variation within the genetic fingerprint of individuals

  • The number of chromosomes an individual has
  • The number of repeated introns between exons
  • The total number of exons
  • The number of repeated exons in the fingerprint

3. What is recombinant DNA?

  • Incorrect DNA
  • Foreign DNA inserted into another section of DNA
  • DNA that codes for a non functional protein
  • Undifferentiated cells that have the potential to become specialised

4. Why is the DNA sample cooled from 70 degrees to 55 degrees?

  • Allows DNA polymerase to add free nucleotides to make a new molecule of DNA
  • Allows primers to attach to DNA strands and mark where DNA polymerase attaches
  • Allows the hydrogen bonds between the two strands of the DNA to break causing them to separate
  • To allow reverse transcriptase to convert RNA to DNA

5. What is gene therapy?

  • Insertion of extra chromosomes to counteract non functional genes
  • Removal of functional DNA to be cloned
  • Insertion of functional DNA to counteract a non functional gene
  • Removal of non functional DNA to prevent further issues

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