The mutations that lead to genetic disease cause human illness commonly because:
a.) most genetic diseases make people more likely to become sunburned.
b.) mutations cause extra DNA to be made, which gets into your blood, causing illness.
c.) a molecule normally metabolized by an enzyme accumulates to toxic levels.
d.) mutations in DNA cause body cells to self destruct.
e.) the overproduction of extra enzymes makes you sick.
Answer: c.) a molecule normally metabolized by an enzyme accumulates to toxic levels.
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