wendy is an extremely competitive post-doctoral fellow in a cancer research laboratory. she works late each night and sometimes through the night. she is quick to anger at the college and graduate students assisting in the lab when she feels they are not meeting the lab's high standards. her personality is

Wendy's personality is called Type A personality individuals.

Explanation:

They are Outgoing, Striving, Competitive and people of get-up-and-go attitude. High productivity can be expected from Type A individuals.

They face huge Job related stress and derive less satisfaction and delight out of it after the completion of the tasks.

They are rash, irritable and they possess natural inclination towards completing the tasks before deadlines and stay aggressive. They are in fact work fanatics. Type A individuals fall to be the major victims of cardiac diseases.

answer; genetics;

i would say b. research typically uses a variety of sources