Answer:
Dignity means living a life by which you respect yourselves and even others respect the values and attributes you possess. One of the main attributes that a person with dignity possesses is that he treats other people with the same kind of respect with which he wants to be treated.
Every person whether belonging to any creed, caste or race has the right to be treated with dignity. Giving respect to only certain kind of people due to their cast pr creed is wrong. Dignity is the virtue of life by which a person can live a life full of self-respect.
Type O-negative blood does not have any antigens (so yes, it lacks all 3). It is called the "universal donor" type because it is compatible with any blood type
(not sure if this is what you need
