ja1neyWajsummero ja1neyWajsummero
  • 04-01-2016
  • Biology
contestada

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

Respuesta :

MHDino
MHDino MHDino
  • 04-01-2016
C. Abnormal Chromosomes. A, B, and D have nothing to do with heredity. 
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