In broad terms, anything from the big names will do........Nikon, Canon, Pentax, Sony, Olympus.
Do you have a budget ?
Does daughter have any slr experience......does she want simplicity or creativity ?
Is it a camera for general use or does daughter have specific interests.....macro, wildlife, fashion, portraits.
How big are daughters hands......some digi slrs are quite big and heavy, some small and light.