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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
9. A 1 in 4 chance of having a child means every separate child will have a 25% chance of contracting the inherited disease.
10. How many x chromosomes do men have?
11. How many pairs of chromosomes does a human cell contain? (excluding sex cells)