Which form of genetic engineering was used by humans for many years before the discovery of dna? a. gene insertion. b. selective breeding c. gene splicing d. animal cloning.

First work with stencil one. use a combination of reflections, rotations, and translations to see whether stencil one will overlap with the original pattern. list the sequence of rigid transformations you used in your attempt, noting the type of transformation, the direction, the coordinates, and the displacement