A Chinese father took it upon himself to develop a cure for a rare genetic disease that his son was diagnosed with. A father’s devotion: Xu Wei, a 30-year-old online entrepreneur with no prior college education, devoted his time to learning and developing medicine at home after his one-year-old son Haoyang was diagnosed with Menkes disease, reported South China Morning Post . – The disorder, which affects the cellular transport of copper, is associated with seizures, stunted growth, failure to thrive, unstable body temperature and intellectual disability, according to the [National Organization for Rare Disorders] . – Infants diagnosed with…