Enhancer trapping might occur if you create a library of insertions bearing enhancer-less GAL4 genes. Their expression will be controlled by .

a symbiotic relationship with the mitochondria

linnaeus is the father of taxonomy, which is the system of classifying and naming organisms. one of his contributions was the development of a hierarchical system of classification of nature. today, this system includes eight taxa: domain, kingdom, phylum, class, order, family, genus, and species.