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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 A. defective viruses. B. weakened immunity. C. abnormal chromosomes. D. unhealthy lifestyle choices.
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3 votes
Hereditary diseases are mainly caused by

A. defective viruses.
B. weakened immunity.
C. abnormal chromosomes.
D. unhealthy lifestyle choices.

User Elkvis
by
8.3k points

1 Answer

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C. Abnormal Chromosomes. A, B, and D have nothing to do with heredity. 
User Evpo
by
8.1k points
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