Genetics Quiz

What can determine a trait in an organism?

• Only the environment

• Only genes

• Both genes and the environment

• Only interactions between different traits

What are dominant traits?

• Traits that are less common in the population

• Traits that can only be determined by the environment

• Traits that are more common in the population

• Traits that are dominant over other traits

What are traits?

• Skills learned during life

• Observable characteristics passed down from parent to offspring

• Diseases that can be inherited

• Preferences and likes that are unique to an individual

How much of your genetic information is the same as everyone else's?

• 50%

• 75%

• 99.8%

• 100%

What percentage of your genetic information makes you unique?

• 0.2%

• 1%

• 5%

• 25%

Which of the following statements is true about traits that are most common in the population?

• Traits that are most common in the population are always dominant.

• Traits that are most common in the population are not always dominant.

• Traits that are most common in the population are always recessive.

• Traits that are most common in the population have no relation to dominance or recessiveness.

What is the frequency of polydactyly in the population?

• 1 in 100 people

• 1 in 500 people

• 1 in 1000 people

• 1 in 10,000 people

How is polydactyly inherited when it exhibits by itself?

• As an autosomal recessive trait

• As an X-linked dominant trait

• As an autosomal dominant trait

• As an X-linked recessive trait

What is the field of biology that studies how traits are passed from parents to their offspring?

• Ecology

• Heredity

• Genetics

• Evolution

What is the term used to describe the passing of traits from parents to offspring?

• Reproduction

• Metabolism

• Heredity

• Variation