DNA analysis, which has proven to be a major advance in the field of paternity testing, involves the direct examination of the genetic material that a child inherited from its biological parents. DNA is located throughout the human body and in the same identical form.
In a plant with a taproot system, the taproot is the largest, most central, and most dominant root from which other roots sprout laterally. Typically a taproot is somewhat straight and very thick, is tapering in shape, and grows directly downward.
For other uses, see Arrowroot (disambiguation) . Arrowroot is a starch obtained from the rhizomes (rootstock) of several tropical plants, traditionally Maranta arundinacea, but also Florida arrowroot from Zamia integrifolia, and tapioca from cassava (Manihot esculenta), which is often labelled as arrowroot.he lack of gluten in arrowroot flour makes it useful as a replacement for wheat flour in some baking uses. Like other pure starches, however, arrowroot is almost pure carbohydrates and devoid of protein, thus it does not provide a complete substitute for wheat flour for bread-making, which requires gluten.