ANS 42 Lecture Notes - Lecture 5: Canidae
13 Jan 2017
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Evidence of Dog from Wolf
1. # of chromosomes is the same
2. Mitochondrial DNA
a. Passed from the mother to the offspring
b. DNA used to determine ancestry
3. Behavior of the dog is most similar to that of wolves when compared to other Canid species
a. Tact behavior
b. Interactions
i. Different than that of coyotes and foxes, etc.
4. Great genetic diversity seen in the wolf
a. Many different subspecies of wolves
b. Implies that they have differences
c. Some are very small and large
i. Reflects inherent diversity among that grouping of wolves
d. Dogs are the most diverse species on size variations
i. 23 different subspecies of wolves
e. Reflects adaptability
1. Raymond Coppinger
a. Stages of wolf pup development (early to more mature)
i. Pup sits outside of the den and reacts to the world
ii. Pup plays with objects
iii. Pup begins stalking
iv. Pup follows parent on a hunt and may actually assist in hunt by nipping heels of
prey
v. Mature, proficient killer of prey
b. Some breeds of dog are dogs that never mature past the reactive stage
i. Some neotenize to the playing stage and etc.
c. Domestic dogs are hypothesized to be locked in the juvenile stages of wolves
d. Leadership is more reflective of the wolf traits
2. Nature comes from genetics
3. Nurture comes from environmental influence
a. Socialization
b. Imprinting
i. Epose a oug aial to pack ates
ii. Species that are part of its social structure
iii. Social attachment
4. Breed of dog
a. Pointers
i. Nervous, excitable, neurotic
b. Other dogs were stable and calm
c. Are nervous behaviors controlled by genetics?
d. Bred a nervous mom and a stable male
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