 Researchers suggest resolution of the paradox may lie in mechanisms such as alternative splicing and complex gene regulation that make the genes of humans and other complex eukaryotes relatively more productive.The conflict between the morphological complexity of eukaryotes and the amount of genetic information they carry has long puzzled researchers.The sheer amount of DNA in an organism, measured by the mass of DNA present in the nucleus or the number of constituent nucleotide pairs, varies by several orders of magnitude among eukaryotes and often is unrelated to an organism’s size or developmental complexity.