Answer:
Heredity is something passed down from your family or more specifically, your parents. Some type of physical or mental characteristics have been passed down from your parents to you. Like if your mom has blue eyes, and you do too, most likely they were genetically passed down.
Your genes have a lot to why you might be good at a specific sport. Heredity influences several factors that contribute to fitness, such as body size and muscle fiber composition. Whether we are tall or short is determined by heredity. Your Your athletic ability, however, isn't written in your genes; it's written in your daily routine