> how dna is put together to make an organism. > the problem of dna content & genome compositors. > composition & function of dna in the genome. > need to understand all of the above at end of this section! > flowering plants have more dna than humans. > a single amoeba (simplest eukaryotic organism) has a genome of-200. 000 mb (mega base. > c-value paradox: amount of dna carried by an organisms in the genome does not correlate with the complexity of an organism! pairs) > dna can be grouped into 3 subcategories. > complexity is incorporations of elements needed to assemble an organism. > the part of dna that expresses information. > does not necessarily refer to genes (introns and exons alike) > variations in gene number cannot explain variations in genome size. > non-repeated fractions are where the genes are located, unique sequences. > gene: sequence coding tor amino acids, proteins, and rna.