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.
Answer:
B. it is often transitory—that is, it is brief and passing.
Explanation:
There are lots of different kinds of collective behavior, so trying to identify a specific set of standards or reasons to suit all is very difficult. Also, episodes of collective behavior —such as riots, social panic, and more— are unpredictable and last for a short time, which represents a difficulty for sociologists who want to analyze them as they take place. People involved in these events are often strangers to each other, making it even harder to determine who took part in them.