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Master the World of Quantitative Trait Loci (QTL) with This Knowledge Quiz!

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Master the World of Quantitative Trait Loci (QTL) with This Knowledge Quiz!

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Questions and Answers

Which of the following best describes a quantitative trait locus (QTL)?

A section of DNA that is associated with a phenotypic trait in an individual

A section of DNA that controls the genetic architecture of a trait

A section of DNA that correlates with variation of a quantitative trait in a population (correct)

A section of DNA that causes a trait variation in a population

How are QTLs mapped?

By identifying the genetic architecture of a trait

By identifying the actual genes that cause the trait variation

By identifying the number of QTLs that explain variation in the phenotypic trait

By identifying molecular markers that correlate with an observed trait (correct)

What does the number of QTLs indicate about the genetic architecture of a trait?

The number of genes that contribute to the trait variation

The number of QTLs that explain variation in the phenotypic trait (correct)

The number of chromosomes that contain QTLs

The number of genes that control the trait

What types of traits do QTLs typically underlie?

Continuous traits that vary continuously (A) Signup and view all the answers

What are polygenic effects?

Effects caused by multiple genes (C) Signup and view all the answers

True or false: A quantitative trait locus (QTL) is a section of DNA that correlates with variation of a qualitative trait in the phenotype of a population of organisms.

False (B) Signup and view all the answers

True or false: QTLs are mapped by identifying which molecular markers correlate with an observed trait.

True (A) Signup and view all the answers

True or false: QTLs are often found on the same chromosome.

False (B) Signup and view all the answers

True or false: The number of QTLs indicates the genetic architecture of a trait.

True (A) Signup and view all the answers

True or false: QTLs are only associated with discrete traits.

False (B) Signup and view all the answers

Master the World of Quantitative Trait Loci (QTL) with This Knowledge Quiz!

Choose a study mode

Podcast

Questions and Answers

Which of the following best describes a quantitative trait locus (QTL)?

How are QTLs mapped?

What does the number of QTLs indicate about the genetic architecture of a trait?

What types of traits do QTLs typically underlie?

What are polygenic effects?

True or false: A quantitative trait locus (QTL) is a section of DNA that correlates with variation of a qualitative trait in the phenotype of a population of organisms.

True or false: QTLs are mapped by identifying which molecular markers correlate with an observed trait.

True or false: QTLs are often found on the same chromosome.

True or false: The number of QTLs indicates the genetic architecture of a trait.

True or false: QTLs are only associated with discrete traits.

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