Which of the following mutations is most likely to be passed on to future generations? A) cancer caused by excessive exposure of skin cells to the Sun
B) a chromosomal alteration that occurred during gametogenesis
С) breakage of a chloroplast in the leaf cell of a maple tree
D) damage to the mitochondria in a liver cell

The answer is B.

where is the option.let me know

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.