Human Genetics, 10th Edition, (Lewis)

Chapter 6: Matters of Sex

Learning Outcomes


6.1

 

Our Sexual Selves

1.

  

Describe the factors that contribute to whether we are and feel male or female.

2.

  

Distinguish between the X and Y chromosomes.

3.

  

Discuss how manipulating sex ratio can affect societies.

6.2

 

Traits Inherited on Sex Chromosomes

4.

  

Distinguish between Y linkage and X linkage.

5.

  

Compare and contrast X-linked recessive inheritance and X-linked dominant inheritance.

6.3

 

Sex-Limited and Sex-Influenced Traits

6.

  

Discuss the inheritance pattern of a trait that appears in only one sex.

7.

  

Define sex-influenced trait.

6.4

 

X Inactivation

8.

  

Explain why X inactivation is necessary.

9.

  

Explain how X inactivation is an epigenetic change.

10.

  

Discuss how X inactivation affects the phenotype in female mammals.

6.5

 

Genomic Imprinting

11.

  

Explain the chemical basis of silencing the genetic contribution from one parent.

12.

  

Discuss how genomic imprinting is seen in Prader-Willi and Angelman syndromes.

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