The text boxes in the left panel have been placed in a random order. Restore the original order by dragging the text boxes from the left panel to the right panel.
c) Genes tell cells what to do and when. But copying errors in those operating manuals — known as mutations — can lead to misspelled instructions that can change how cells operate.
d) Our genes serve as an operating manual for cells of the body.
a) Scientists now know that some of those mutations can lead to disease.
b) Others offer benefits. Some can do both. And the mutation that underlies sickle cell disease is one that can be both good and very bad.