One of the Oldest Recorded Behavior Mutants Is the Waltzer

question 22

Multiple Choice

One of the oldest recorded behavior mutants is the waltzer mutation in the mouse.Mutant mice can be observed "dancing" and "head shaking"; some are also deaf.Mice must be homozygous for a mutation to express the trait.Based on this information,the genetic cause of this trait is most likely a(n) ________.

• A) simple recessive pattern of inheritance
• B) multifactor, polygenic pattern of inheritance
• C) dominant/recessive pattern typical of other behavioral traits
• D) epistatic pattern with incomplete dominance
• E) variable gene activity pattern with overdominance causing deafness

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Definitions:

Graphic Rating Scales

Graphic rating scales are tools used in performance appraisals where employees are rated on a scale for various competencies or behaviors.

Halo Errors

Halo Errors occur in performance assessments when the evaluator's overall impression of an individual influences their judgment on specific attributes or tasks.

Distributional Errors

Mistakes made in performance appraisals where ratings are clustered at a particular area of the scale, failing to accurately reflect the actual distribution of performance.

Leniency Error

Leniency error occurs in the assessment process when an evaluator consistently rates individuals more positively than their performance warrants, often due to a desire to avoid conflict or to be perceived as favorable.