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.
What is the difference between a fibrous root system and a taproot system? Taproot system has a main vertical root called a taproot from which the lateral roots branch off. A fibrous root system lacks a main root, but instead has many small adventitious roots which each have their own lateral roots.