- Genes are able to determine the inherited characteristics of a living thing
- Inherited characteristics are the opposite of acquired characteristics
- Hence, genes are unable to determine the acquired characteristics of a living thing

- Genes are unable to determine the acquired characteristics of a living thing
- A person is a kind of living thing
- Atheletic ability is a kind of acquired characteristics
- Therefore, genes are unable to determind the atheletic ability of a person

Hence, genes are unable to determind the atheletic ability of a person
[Question]Genes are unable to determine a person's
[Context]- Genes are able to determine the inherited characteristics of a living thing 
- A person is a kind of living thing 
- Atheletic ability is a kind of acquired characteristics 
- Inherited characteristics are the opposite of acquired characteristics