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6. Where does Chorionic villus sampling get its sample of tissue from?

  • cervix
  • placenta
  • womb
  • vagina

7. What is a false negative?

  • Where a blood test indicates that all is well when it isn
  • Where a blood test indicates that there is a problem when there isn

8. What is the risk of miscarriage in Chorionic villus sampling

  • 1.5%
  • 0.5%
  • 15%

9. A 1 in 4 chance of having a child means every separate child will have a 25% chance of contracting the inherited disease.

  • True
  • False

10. How many x chromosomes do men have?

  • 3
  • 1
  • 2

11. How many pairs of chromosomes does a human cell contain? (excluding sex cells)

  • 92
  • 23
  • 12
  • 46
  • 138