Most Pedigrees Showing the Hypothetical Human Trait Show the Following

question 41

Multiple Choice

Most pedigrees showing the hypothetical human trait show the following characteristics:
• If a phenotypically normal woman with an affected father has children with an unaffected man, half of the sons and none of the daughters are affected.
• Affected females always have an affected father and an affected maternal grandfather.
• The trait is never passed from father to son.
What is the MOST likely mode of inheritance for this disorder?

• A) autosomal recessive
• B) autosomal dominant
• C) X-linked recessive
• D) X-linked dominant
• E) Y-linked

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Definitions:

Conditioned Response

A learned reaction to a specific stimulus that results from repeated exposure to that stimulus paired with a particular response.

Classical Conditioning

A learning paradigm wherein two stimuli are continuously paired together; initially, the response comes from the second stimulus, but later, the first stimulus can independently provoke the response.

Unconditioned Stimulus (UCS)

In classical conditioning, an automatically eliciting stimulus that leads to an unconditioned response without prior conditioning.

Conditioned Stimulus (CS)

In classical conditioning, a previously neutral stimulus that, after becoming associated with an unconditioned stimulus, evokes a conditioned response.