Matching the sentences in the chart:
A - 2-GMO (Recombinant bacterial plasmid is used to produce genetically modified plants)
B - 3-Human proteins production (Recombinant bacterial plasmid is used to produce human insulin)
C - 4-Gene therapy (Recombinant viral DNA is used to treat some diseases like cystic fibrosis)
D - 1-DNA fingerprint (Random DNA sequences that are different from one person to another)