Human Genetics, 10th Edition, (Lewis)

Chapter 7: Multifactorial Traits

Learning Outcomes


7.1

 

Genes and the Environment Mold Traits

1.

  

Distinguish between single-gene and polygenic traits.

2.

  

Define multifactorial traits.

7.2

 

Polygenic Traits Are Continuously Varying

3.

  

Explain how continuously varying traits reflect genes and the environment.

7.3

 

Traditional Ways to Investigate Multifactorial Traits

4.

  

Explain how empiric risk differs from calculating a Mendelian frequency.

5.

  

Define heritability.

6.

  

Discuss what studies on adopted individuals and twins can reveal.

7.4

 

Genome-Wide Association Studies

7.

  

Explain what a genome-wide association study can reveal.

8.

  

Discuss limitations of genome-wide association studies.

7.5

 

A Closer Look: Body Weight

9.

  

Discuss tools and approaches used to study body weight.

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