It is more than important to have a family
It could mean that you have an infection or are starting to get sick
I know that it has to do with breathing and your lungs
Answer:
mutation
Explanation:
occurs when a DNA gene is damaged or changed in such a way a to alter the genetic message carried by that gene. A mutation is an gent of substance that can bring about permanent alteration to the physical composition of a DNA gene such that the genetic message is changed