In Cocker Spaniels, Black Coat Color (B) Is Dominant Over

question 133

Multiple Choice

In cocker spaniels, black coat color (B) is dominant over red (b) , and solid color (S) is dominant over spotted (s) . If a red male was crossed with a black female to produce a red, spotted puppy, the genotypes of the parents (with male genotype first) would be

• A) Bb Ss x Bb Ss .
• B) bb Ss x Bb Ss .
• C) bb ss x Bb Ss .
• D) bb Ss x Bb ss .
• E) Bb ss x Bb ss .

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Definitions:

Habituation

A psychological learning process wherein there is a decrease in response to a stimulus after repeated exposures, signifying an adaptation or getting used to the stimulus.

Sensitization

An increased reaction to a stimulus following repeated exposures to it.

Classical Conditioning

An educational method where a connection is made between a stimulus in the environment and one that occurs naturally, resulting in a conditioned response.

Stimuli

Physical or chemical changes in the external or internal environment that evoke a response from a living organism.