Hereditary diseases are mainly caused by
A. defective viruses.
B. weakened immunity.
C. abnormal chromosomes.
D. unhealthy lifestyle choices.
Hereditary diseases are mainly caused by : abnormal chromosomes.
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Asked 12/17/2015 9:50:07 AM
Updated 12/17/2015 10:05:23 AM
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jeifunk [12/17/2015 10:05:21 AM], Confirmed by
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