Janine should attend the special class on human development to learn new information about body changes despite having older sisters.
Janine should still attend the special class on human development because having older sisters does not mean she understands all the changes, and she is likely to learn some new things. Attending the class will help her gain a better understanding of the changes that are happening to her body and provide her with valuable knowledge for her development.
https://brainly.com/question/38112551