Multiple choice Why are plants more readily manipulated by genetic engineering than animals? Plant genes do not contain introns. More vectors are available for transferring recombinant DNA into plant cells. A somatic plant cell can often give rise to a complete plant. Genes can be inserted into plant cells by microinjection. Plant cells have larger nuclei. Reveal answer Fill a bubble to check yourself D Correct answer Explanation Plants are more readily manipulated by genetic engineering than animals because plant cells are totipotent.