Your brain, spinal cord, and nerves make up your nervous system. Together they control all the workings of your body. When something goes wrong with any part of your nervous system, you can have trouble moving, speaking, swallowing, breathing, or learning. You can also have problems with your memory, senses, or mood. There are more than 600 neurologic diseases and disorders, and they have just as many causes. Some are caused by faulty genes, like Huntington’s disease or Muscular dystrophy. Others may be caused by degeneration, like Parkinson’s or Alzheimer’s. Disorders in children may be caused by problems with how the nervous system developed, like with spina bifida. Even others, like strokes or meningitis, can be caused by illness or injury. Research one of the nervous system disorders you find on the website listed below, or any other that you find. Design a pamphlet or brochure about the disorder and one medication or treatment method used to help those that have the disorder. Include who can be affected by the disorder, how common or uncommon it is and how researchers think the medication or treatment will help. Explain its general effectiveness, and any side effects the medication or treatment may cause. Remember to cite all your sources.

https://www. nlm. nih. gov/medlineplus/brainandnerves. html

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an individual’s sex (i.e., whether they are a male or female) is determined by the sex chromosomes. most people have two sex chromosomes, one that is inherited from their mother and one that is inherited from their father. typically, females have two x chromosomes (xx) and males have one x chromosome and one y chromosome (xy). conditions caused by changes (“mutations”) in genes located on the x chromosome are considered x-linked.

x-linked recessive inheritance

most x-linked conditions are recessive. this means that in a person with two x chromosomes (most females), both copies of a gene (i.e., one on each x chromosome) must have a change or mutation whereas in a person with one x chromosome (most males), only one copy of a gene must have a mutation. a female with a mutation in one copy of a gene on the x chromosome is said to be a “carrier” for an x-linked condition. a male with a mutation in a gene on the x chromosome is typically affected with the condition. because females have two copies of the x chromosome and males have only one x chromosome, x-linked recessive diseases are more common among males than females. however, x-linked recessive diseases can occur in both males and females.

for x-linked recessive disorders, an unaffected carrier mother who has a mutation in a gene on the x chromosome can transmit either the x chromosome with this mutation or a “normal” x chromosome to her children. if the father is unaffected, none of her daughters will be affected and all of her daughters will be unaffected—since they will inherit at least one normal x chromosome from their father. however, each daughter will have a 50% chance of being an unaffected carrier like her mother and a 50% chance of both x chromosomes being normal.

phaneritic textures in which phaner means visible so phaneritic textures are standard of impertinent volcanic rocks. these rocks crystallized gradually under the surface of earth. when the magma cools deliberately then the ores have chance to develop and produce long crystals.