Final answer:
The mother's touch on the infant's cheek elicits the rooting reflex, which helps the newborn find the nipple and initiate feeding.
Step-by-step explanation:
The mother's gentle touch on her infant daughter's cheek elicits the rooting reflex. This reflex is an automatic response in newborns that causes them to turn their head towards the stimulus and begin sucking. It helps the newborn find the nipple and initiate feeding.