Definition: A dihybrid cross is a breeding experiment between P generation (parental generation) organisms that differ in two traits.
Private duty nursing. Private duty nursing is the care of clients by nurses, whether an RN (Registered Nurse) or LPN/LVN (Licensed Practical Nurse). Most nurses who provide private duty care are working one-on-one with individual clients.
The tour of duty for an active or reserve nurse serving in the military requires a long-term commitment. It is common for military nurses to be sent abroad or into service at a combat hospital. Conversely, for civilian employees, the length of time depends on the contract.