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... (Discover 78) Beau is a dog suffering from narcolepsy. ... Narcolepsy doesn’t affect just animals but humans as well. ... Narcolepsy, a condition in which a person is overcome by periodic bouts of overwhelming sleep, is a biological disorder stemming from a single genetic defect, prompted by environmental factors.
Scientists believe that a mutation in a gene encoding a cell-surface protein, or receptor that allows nerve cells to respond to proteins called hypocretins are responsible for narcolepsy. ... A study that further supports this is the study of narcolepsy involving identical twins. In 75% of the cases in which one twin had a case of narcolepsy, the other was unaffected. Because of this, it is difficult to believe that genetic factors or heredity is the dominant cause of narcolepsy since genes should be passed down to both twins, as they are identical.
Approximate Word count = 662
Approximate Pages = 2.6
(250 words per page double spaced)
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