A Group of Dog Breeders Is Trying to Design and Develop

question 28

Multiple Choice

A group of dog breeders is trying to design and develop an ideal dog. They want a dog with a gentle disposition, black fur, long ears, short legs, and a strong sense of smell. Which of the following comments from fellow dog breeders represents the biggest challenge they are likely to face?

• A) There are breeds with long ears and breeds with short legs, but no breeds with both.
• B) There does not seem to be any genetic variation in sense of smell.
• C) Artificial selection is artificial and cannot change the genetics of a breed like natural selection.
• D) Most dogs with black fur have long legs.

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Definitions:

Interossei Palmaris

Muscles located in the palm of the hand that are responsible for moving the fingers.

Flexor Carpi Ulnaris

A muscle of the human forearm that acts to flex and adduct the wrist.

Flexor Digitorum Profundus

A deep muscle in the forearm that flexes the fingers, enabling gripping and manipulation of objects.

Extensor Carpi Radialis Longus

A muscle in the forearm that extends the wrist and aids in its abduction.