The set of information that controls a trait; a segment DNA on a chromosome that codes for a specific trait. An abnormal condition that a person inherits through genes or chromosomes. Deoxyribonucleic acid; the genetic material that carries information about an organism and is passed on from parent to offspring.
Are you asking what she should do? If you're asking that i suggest whoever it is that got hurt to decide for herself. If the concussion is very bad and she have seen a doctor and they told you to sit out or something else then you should do as told. But if its mild, then she can know her limits and what she wants to do.
Billy gets frustrated and starts to cry. He pushes his bike down on the lawn and throws his helmet off. Then he tells his father that he doesn't want to learn how to ride a bike.