asked 45.4k views
3 votes
Hereditary diseases are mainly caused by

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

asked
User Elkvis
by
8.3k points

1 Answer

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