The main characters are quite distinct. Anna, she's at the center of the story as she begins to fight against the role she was seemingly born for. Kate, the sick sister, her condition is what sets the whole plot in motion. The parents are key too. The mother is so focused on Kate's survival that she sometimes overlooks Anna's feelings. The father, on the other hand, is caught in the middle, trying to balance the needs of both daughters and deal with his own feelings about the situation. Their interactions and individual personalities make up the heart of the'my sister's keeper novel'.
The main theme is about family, sacrifice and the complex moral and ethical issues within a family. It focuses on a girl who was born to be a donor for her sick sister, and the struggles that come with that role.
Well, 'My Sister's Keeper' is a really touching story. It shows how a family is centered around the sick sister Kate. Anna, the younger sister, has been donating things like blood, bone marrow etc. for Kate all her life. But as she grows older, she realizes she has her own life to live. The court case she files against her parents is a major part of the story. It makes everyone think about what is right and wrong in such a difficult situation where a family is torn between saving one child and respecting the rights of another.