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.
Taproot system. The two basic types of root systems are the primary root systems and the adventitious root system. The primary root systems is formed of roots and their branches that arise from the primary root. The primary root is the first-formed, main root, That originates from the radicle of a seed embryo (the portion of the embryo below the cotyledons). Two primary root system types: Taproot system-Single primary root dominates over branch roots (usually found in Gymnosperms and most Dicotyledons). Fibrous root system A network of fine roots with no central dominant root.