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Beginning of essay|
No one is immune to , yet not everyone is equally susceptible.
are not merely a medical problem. They have profound effects on
the social and psychological well being of their family and friends.
In the normal course of fetal development, cells migrate to their
appropriate destination so that org ....
Middle of essay
Children who inherit an abnormal gene from both parents will inherit the decease.
The carrier parents have one normal gene and one defective gene. Carriers of
Tay-Sachs disease have no symptoms. " If two carriers have children, each child
has twenty-five percent chance of inheriting the defective gene (both parents)"
(Strom 174). These children are unable to produce an enzyme that breaks down
fats in the brain and nerve cells. The cells become clogged with fat and prevent
the cells from....
|Number of words: 2396
||Approximate pages: 9
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