There's no any exact scientific results and nobody currently know what will exactly happen, but some scientists suggested that the sun might expand and dies that leads to the end of the world but some says there will be a new sun being born and like that.
The damage may cause cell death.
This defect causes cancer and the cells reproduce before dying.
Genetic is a unit of heredity
I think it is B hope this helps
Answer:
C. Regulating Gene Expression
Explanation:
That would be my choice because a signaling molecule is hormones