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.
The Pecan and its Culture H. Harold Hume. taproot: the main root of a plant, which runs directly down into the earth to a considerable depth without dividing. Agriculture for Beginners Charles William Burkett. The root of evil, the taproot from which the evils of modern society develop, is the profit idea.