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 :

04-01-2016

C. Abnormal Chromosomes. A, B, and D have nothing to do with heredity.

Answer Link

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