You Are a Genetic Counselor Working with a Phenotypically Normal

question 42

Multiple Choice

You are a genetic counselor working with a phenotypically normal young couple who have been referred because the wife has a family history of a mitochondrial disorder that results in considerable dysfunction. What is the most important consideration you can suggest?

• A)to refrain from having children that are hers biologically
• B)that she be tested to find out what percentage of her mitochondria bear the mutation
• C)that both husband and wife have mtDNA testing for the sequence in question
• D)that her affected mother's DNA be tested
• E)that they consider having only sons

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Definitions:

Retroactive Interference

A memory phenomenon where newer information interferes with the recall of older information.

List Differentiation

An ability to distinguish between memories, reducing the level of interference.

Memory Reconstruction

The alteration of a memory to provide a consistent view of the world.

Witnesses Recall

The ability of witnesses to remember and recount details of events, often used in the context of legal proceedings and psychology.