(A) transformation of bacterial cells with naked DNA from human cells
(B) transduction of bacteria using phage particles (bacterial viruses)
(C) projectile bombardment of cells with DNA-coated particles from a ‘gene gun’
(D) the removal of a single somatic cell from a carrot and regenerating an entire plant from the cell through tissue culture
Answer: (D) the removal of a single somatic cell from a carrot and regenerating an entire plant from the cell through tissue culture