Genes are removed from human DNA by means of ……1…… enzymes. A bacterial plasmid is then cut by the same enzyme, producing ……2…… . The human DNA is joined into the bacterial plasmid using the enzyme ……3……, creating a ……4…… plasmid. Which row completes spaces 1, 2, 3 and 4 correctly?
Biology 0610 · IGCSE · Genetic modification