Which mechanism is least likely to inactivate a tumor-suppressor gene?

mutation

loss of heterozygosity

gene duplication

chemical modification

Tumor suppressor genes are cellular proteins that normally function to prevent tumor development, and retinoblastoma typifies the behavior of a classical tumor suppressor gene.

The mechanism that is least likely to inactivate a tumor-suppressor gene is the chemical modification

Explanation:

answer; indirect elisa;