Mutations can be both harmful and . indicate which of these can be caused by a genetic mutation. a) aids b) influenza c) chickenpox d) cystic fibrosis

Cystic fibrosis is a genetic mutation. It is one of the most common genetic diseases in the world. There is no cure for CF.

The correct answer is option D

Cystic fibrosis is a hereditary diseases that affects the lungs and digestive system of the human being. The body of such individuals produce sticky and thick mucous clog the lungs and pancreas.

It can be a life threatening disease and people with such disease tend to have shorter life span.

The people can survive till the age of 40 or 50 earlier, children died before reaching the elementary school age.

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.