A history of debt is the correct answer!!!
APEX
Answer:
0%
Explanation:
The cystic fibrosis transmembrane conductance regulator (CFTR) protein is responsible for cystic fibrosis. It is transmitted in a autosomal recessive manner. This means that both parents must have the CF gene in order for the development of CF in the child.
Here, Chloe's father and mother both had the CF gene so Chloe developed CF. However, Chloe's stepfather does not have the CF gene hence a child with the step father will not have CF.
A monopoly occurs when one company has sole control over a product and its production (vertical and horizontal integration are also different factors of monopolies, so you could look those definitions up as well if you would like