What are the possible effects of a genetic mutation?

a. the development of a beneficial trait which will increase an organisms ability to survive and reproduce

b. the development of a genetic disorder caused by a malfunctions protein

c. no change or no effect

d. All of the above

b.the development of a genetic disorder caused by a malfunctions protein

Explanation:

white blood cells or wbc s are mainly 2 types-

1.agranulocytes

2.granulocytes

the monocytes or macrophages of agranulocytes , dendritic cells which are accessory leucocytes, and b cells which is one type of lymphocytes   identify the antigens present on the pathogen's surface. these three cells are called antigen presenting cells(apc) which are phagocytes and destroy the antigens by secreting antitoxins. besides this leukocyte is always plays vital role in the immunity of the body.