High School Biology Case Study: The Boy Who Hid From the Sun (Xeroderma Pigmentosum) Engage your High School Biology, Anatomy & Physiology, or Health Science students with this captivating, real-world medical case study! This 13-page comprehensive resource explores the fascinating and rare genetic disorder, Xeroderma Pigmentosum (XP), through the eyes of a young patient named Eric. XP is a rare, inherited, autosomal recessive disorder characterized by an extreme sensitivity to ul