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Questions and Answers
What is often an early step in identifying the actual genes that cause the trait variation?
What is often an early step in identifying the actual genes that cause the trait variation?
- Observing the trait variation
- Mapping the QTLs (correct)
- Identifying the phenotype
- Studying the environment
What is a Quantitative Trait Locus (QTL)?
What is a Quantitative Trait Locus (QTL)?
- A region of DNA associated with a particular phenotypic trait (correct)
- A type of molecular marker
- A specific chromosome where traits are found
- A specific gene that causes trait variation
What does the number of QTLs which explain variation in the phenotypic trait indicate?
What does the number of QTLs which explain variation in the phenotypic trait indicate?
- The specific DNA sequence
- The type of molecular markers
- The number of genes involved
- The genetic architecture of a trait (correct)
What does it mean when a trait is controlled by many genes of small effect?
What does it mean when a trait is controlled by many genes of small effect?
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Which traits typically underlie QTLs?
Which traits typically underlie QTLs?
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