Tell me how blood spatter is important

Blood behaves not unlike those spilled water droplets, and the speed at which the droplets travel when they strike a surface, known to analysts as a target, affects their shape. This speed, combined with angle and surface characteristics, also determines how far blood droplets skip or bounce after meeting a barrier.  Bullet wounds can produce both back and front spatters. Backspatter, or blowback, refers to blood exiting the entrance wound in the direction opposite the impact  Investigators dealing with such small drops must rule out other sources of blood spray, such as respiration or pinhole arterial pressure

Answer The general role of the Bloodstain Pattern Analyst in a criminal investigation is to assist in the reconstruction of those events of an alleged incident that could have created the stains and stain patterns present at a crime scene, on items of physical evidence recovered from that scene and on items of clothing that

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answer; i believe that the correct answer is ; males are hemizygous for the x chromosome;

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