(a)[4]
Outline, in simple terms, how DNA fingerprinting is carried out.
(b)[3]
Complete the table by showing whether each item can be used for DNA fingerprinting. Put a tick (✓) beside items that can be used for DNA fingerprinting and a cross (\times) beside items that cannot.
(c)[3]
A range of chromatography methods can be used to separate and analyse mixtures. HPLC (high performance liquid chromatography) can be used to separate each of the following mixtures. State another chromatography method that would separate each mixture: insecticides in a sample of water; dyes found in a foodstuff; drug residue in an athlete’s urine.