We can observe a phenotype whether or not we understand the genetics behind it. In real life, there is a gene called HERC2 that works like I described, and most people with blue eyes have the broken allele of this gene.
Nerves, Neuroglia, and Ganglia. A nerve is a bundle of fibres (axons and/or dendrites) outside the CNS. Neuroglia are cells of the nervous system that help protect and support it. Ganglia are groups of nerve cell bodies lying outside the CNS.
Neuropathic pain (NeP) is the medical term for nerve pain. Nerve pain is difficult to diagnose and treat. Neuropathic pain is very different from other types of pain in patient description of the sensation.There are many causes of neuropathic pain, and this is often the difficult part of the diagnosis.europathic pain (NeP) is the medical term for nerve pain. Nerve pain is difficult to diagnose and treat. Neuropathic pain is very different from other types of pain in patient description of the sensation.