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Question

Polymorphisms may influence the probability of an individual developing a disease due to minute differences in:

A
gene sequences
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B
cell structure
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C
protein folding
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D
DNA replication
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Solution

The correct option is A gene sequences
Diseases like cancer can occur usually due to a minute differences in the genetic sequence of a disease causing gene when compared to the gene in a healthy individual. These polymorphisms may occur due to mutations accrued due to DNA replication which in turn may alter the protein sequence which in some cases leads to the misfolding of the protein. The misfolding of proteins can lead to debilitating diseases.

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