Dog domestication

Question 1

what is domestication

Answer 1

the process of adapting wild plants and animals for human use with control over the reproduction and care

Question 2

wolf domestication-commensal

Answer 2

-brave enough to join human encampments
-overly aggressive would be killed or driven away
-but some people do not believe this because having a pack of wolves around could be harmful
-instead they think they hand-reared puppies

Question 3

what are some traits that made the dog a easy choice for a companion

Answer 3

-social animals with a pack structure
-hunt in groups
-raise young collectively
-comunicate

Question 4

silver fox expariment

Answer 4

-Dr. Dmitiri belyaev
-institute of cytology and genetics in Russia
-breeding and selecting of the tamest animals
-resulted in floppy ears, curved tail, white patches

Question 5

wild vs domesticated morphological changes

Answer 5

-fur colour and texture
-ear shape
-tail length and curvature
-eye colour
-alterations in craniofacial structure

Question 6

wild vs domestic genetic changes

Answer 6

-genes involved in the neural crest cell formation
-which neural crest plays a role in bone and cartilage as well as pigmentation and brain development

Question 7

what were the roles of dogs in ancient greece

Answer 7

-large shaggy dogs guarded sheep
-wore spiked collars as wolf protection
-guard dogs walked the town walls at night
-tracking dogs pursued criminals

Question 8

what were the roles of dogs in ancient rome

Answer 8

• war dog, the “molossus”
  -large dogs ~110 kg
  -trained and used by the ancient romans for combat
  -collars for spike to slash the enemy
  -firepots of smoke strapped to backs to scare horses
  -also for gaurding houses and flocks, as well as supernatural threats

Question 9

what are the four potential times that dogs could of been introduced to north america

Answer 9

-early human migrations (17,500-13,000 ya
-arctic dogs by thule (~1000 ya)
-European dogs by euro settlers (beginning AD 1492 columbis)
-recent intoduction of husky dogs (beginning ~ AD 1900, during gold rush)

Question 10

what are some native canadian dog breeds

Answer 10

-tahltan bear dog (extinct 1979)
-hare indian (extinct)
-Salish wooly (extinct)
-kimmiq (Eskimo dog)

Question 11

what are some Canadian dog breeds from a European ancestry

Answer 11

-labrador retriever
-Newfoundland dog
-NDTR