Biology

Harry

31 December, 10:27

The human body contains approximately 200 major cell types. they look and function differently from one another because: select one:

a. each expresses a different set of genes.

b. each expresses the same set of genes, but in different orders at different times.

c. each has a slightly different genome.

d. each has a slightly different genome and each expresses a different set of genes.