What is the probability of flipping a coin twice and getting two heads? a) 1
b) 1/2
c) 1/4
d) 3/4

A Punnett square is used to determine the:

a) probable outcome of a cross

b) Actual outcome of a cross

c) Result of incomplete dominance

d) result of meiosis

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.

your awnser is a.gap junctions

the correct answer is d.

hope this .