Final answer:
The author most likely included the details to show how Ray Charles's mother encouraged his independence, not to elicit sympathy or emphasize the difficulty of chores due to his blindness.
Step-by-step explanation:
The inclusion of detailed information about Ray Charles's upbringing by his mother in the given text is most likely intended to highlight how Ray Charles's mother helped him develop independence. Despite his blindness, Ray Charles was expected to perform the same chores and tasks as a child with sight, demonstrating his mother's emphasis on self-reliance. The chores served not as a sign of sympathy or an indication of the difficulty of the tasks due to his blindness, but rather as a means to prepare him for a future where he had to be self-sufficient.