Which of the following is a gene pool?
a- all genes of all individuals in a specific population
b- all alleles of one trait
c- all genes of a single individual
d- all genes of individuals of the same species

just took the test   the correct answer is  all genes of all of the individuals in a specific population.

Explanation:

yes its like the dead sea which is full of salt which makes you stay afloat

so yes an egg will float in salt

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.