Dometic Pet Dogs Flashcards

1
Q

Parturition process

A

Whelping

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2
Q

How long ago were dogs domesticated?

A

10,000-12,000 years ago

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3
Q

Dog ancestor

A

Wolf
(Arabian, Chinese, Indian, and European)

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4
Q

Human intervention dog breeding

A

Specialization
Limit or intentionally breed
Trait standardization
Genetic firewall - minimize traits from wild genes

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5
Q

Who domesticated the Russian Domestic Fox?

A

Dmitri Belyaev

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6
Q

Russian Silver fox selection

A

Selected quiet ones for temperament
Reverse flight zone (tameness)

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7
Q

Wild vs. Piebald

A

PET VET Coat
Play
Ears
Teeth
Vocalization
Estrous
Tail
Coat

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8
Q

Which dogs have smaller brain capacity and which have larger?

A

Working dogs with jobs have larger brain capacity
Dogs without jobs have smaller brain capacity

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9
Q

1 wolf tunred into how many breeds?

A

18

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10
Q

Chromosomes

A

Code for gene

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11
Q

Genes

A

Specific sequence codes for cell activity or product production

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12
Q

4 nucleic acids bases

A

Adenine
Thymine
Guanine
Cytosine

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13
Q

What process is used to separate DNA fragments by size?

A

Gel electrophoresis

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14
Q

Genetic timing

A

Some genes activated:
Sooner
For longer
Never

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15
Q

How many dogs breeds?

A

300-500

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16
Q

Dog eye anatomy

A

Horizontal slit with more rods and cones than humans (better low light and color vision)
Tapetum

17
Q

Dog visual acuity

A

1-2 diopters

18
Q

Nearsighted

A

Myopic

19
Q

Neutral sight

A

Emmetropic

20
Q

Farsighted

A

Hypertrophic

21
Q

Frequency

A

Pitch
Measured in hertz

22
Q

Amplitude

A

Volume
Measured in decibles

23
Q

Dog pitch hearing range

A

65-65,000 hertz

24
Q

Olfactory anatomy

A

Olfactory bulb 6g
Nasal Passages 390 cm
Turbinate bones provide more surface area for olfactory nerves

25
Q

Are most dogs myopic or hypertropic

A

Most dogs- myopic
Sight hounds- hypertropic

26
Q

Taste

A

Sensory nerves respond to specific compounds

27
Q

Most to least taste sensory nerves

A

Herbivores
Omnivores
Carnivores

28
Q

Sweet

A

Simple Carbohydrates
Furaneol

29
Q

Dog smell is used for?

A

Tracking
Trailing
Detection

30
Q

Salty

A

Minerals
More fruit/ vegetable in diet = more salt receptors
MSG added to veggie dog foods

31
Q

Bitter

A

Safety danger warning. Do not eat
Dogs and cats have more bitter sensitivity than humans
Saccharine

32
Q

Umami

A

Animal protein/fat
Dogs have highly tuned receptors

33
Q

3 tactile receptors

A

Pressure
Temperature
Pain

34
Q

Pressure receptors

A

40% on face- vibrissae (whiskers)
Neuro-reflex response

35
Q

Temperature receptors

A

Primarily cold receptors
Cooling system
Sweat glands
Neuro-reflex response

36
Q

Pain receptors

A

Noci receptors
Free ending nerves in skin surface

37
Q

Dog reproduction evolution

A

Monoestrous to diestrous
4-8 month intervals (spring/fall)

38
Q

Gene linkage

A

Genes for different traits expressed together
Not cause and effect
Ex. Coat/eye color and hearing 

39
Q

Genetic disorders

A

Propagate detrimental and lethal conditions
Humans don’t breed against genetic problems