The same second messengers are used in many different cells, but the response to second messengers is different in each cell. how is this possible?

What came first egg or chicken? and is tomato a vegetable or a fruit?

Why is it important that fibrin is insoluble in water?

Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.