Dna contains the genetic instructions that cells need to make

DNA is the fundamental and distinctive characteristics or qualities of someone or something.

Explanation:

So basically DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms.

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.

human-caused climate hope this