PETS
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who was the person that domesticated the sliver fox
dmitri belyaev
what are some things that deal with specialization
.strict captivity -limited breeding .intentional breeding .trait standardization .genetic farewell - minimize genes from wild species
what kind of foxes did they select and why
they selected based of temperament and actions
wild vs piebald
coat - fine hair vs dog hair vocal - limited vs barking ears - erect ears vs floppy ears tail - balanced tail vs wagging tail play - play as you vs play as both teeth - large vs small estorus - 1 estorus per year vs 2 eastorus per year
brain capacity of dogs what are the differences
working dogs retain higher capacity while dogs who don’t have jobs have smaller proportion of brain capacity
one wolf has made how many breeds
18
chromosomes
code for genes
genes
specific sequence codes for cell activity or predict production
nucleic acids bases
adenine , tymine ,cytocine gel electrophoresis separates DNA fragments by size using electrical
genetic timing
similar genes , but some activate sooner , remain activated longer ,or are never activated
how many recognized breeds are there
350-400
what does FCI
federation cynologique international
what does AKC
american kennel club
what are the different kennel clubs
britain’s europe’s canadian continental usa
what is ticharmatic
3 nerve toes blue, green , red
what are the different visuals
myopic - nearsighted emmetropic- neutral hyperopic - farsighted
what is frequency
pitch hertz
what is amplitude
volume
what is olfactory
sense of smell
what are turbinates
bones in sinus passages
what do the turbinates help with
• location for olfactory nerves • alternate air flow
what are primary sources of scents
• apocrine gland (most important ) • urine .feces
what are the advantages of dogs olfactory
trailing dogs - follow scent trail tracking dogs - scent + sight =vision
the use of the olfactory in humans vs dogs
both unfavorable favorable identification taste dog - age sex health reproductive status