Short overview of the genetic diseases Huntingdon's Chorea and Sickle Cell Anaemia

Huntingdons Chorea

1.         Genetic Causes:

The constituent that causes the disease is found at the wind of chromosome-4. It leads to

damage to some of the nerve carrels in the brain. It is not known what the genes habitual function is and how it causes the disease.

        The disease is caused by a dominant gene: therefore anyone who has the carrier gene nourishs the disease; and their offspring check a 50% chance of catching it as strong (assuming that only one of the genes is faulty).

2.         Symptoms:

Symptoms generally appear mingled with 30 and 50 years of age, but can appear as young as two and as old as 70. It progresses over a 10 to 25 year period.

        It causes forward-moving deterioration of both physical and mental abilities. This is caused by the spillage of cells in a part of the brain called the basal ganglia. This cell damage affects the mental ability (thinking, judgment and memory), movement and steamy control of a sufferer. The symptoms appear gradually, usually in midlife, between the ages of 30 and 50. However, the disease has been known to strike young children as well as the elderly.

The main symptoms are:

Depression and bad body fluid swings (sufferers can be aggressive, anxious, irritable, impulsive and unsociable), involuntary movements, slurred lecturing and poor judgement (there is a poor organizational ability, and idea and shot-term memory are affected), and, difficulty with swallowing and a intoxicated (drunken) behavior (sufferers can become restless, and experience difficulty with basic push skills and twitch a lot, developing into larger involuntary movements, touching balance, walking, speech and swallowing abilities in later forms of the disease. An inability to walk or speak well in the late stages of the disease representation sufferers often lose their independence.

3.         Life expectancy:

Complications associated with...

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