If people say you look like your parents, they're probably talking about heredity. Maybe you've noticed that you have the same color eyes as your mom or you're tall like your dad. Your parents pass these physical traits to you through your genes.
© 1995-2014 KidsHealth® All rights reserved. Images provided by iStock, Getty Images, Corbis, Veer, Science Photo Library, Science Source Images, Shutterstock, and Clipart.com