Describe the relationship between the three principal characters – Jimmy, Crake (or Glenn), and Oryx – in Margaret Atwood’s novel Oryx and Crake

Describe the relationship between the three principal characters – Jimmy, Crake (or Glenn), and Oryx – in Margaret Atwood’s novel Oryx and Crake. What different values or ways of understanding the world do these characters represent and how does Atwood show this? What do you think Atwood wants to convey through her portrayal of these characters?