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Animal Science > Final Exam > Flashcards

Final Exam Flashcards

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Biology 101 flashcards
1
Q

Genetic makeup is the same as

A

Genotype

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2
Q

DNA stands for

A

Deoxyribonucleic acid

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3
Q

If B represents black and b represents red and B.B. is the homozygous dominant condition, what would you get if you crossed a bb and a bb individual

A

All red

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4
Q

A red female and a white male shorthorn produce a roan offspring this is an example of

A

Codominance

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5
Q

Having matching alleles at a given point in the chromosome is said to be

A

Homozygous

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6
Q

The process of cell division

A

Mitosis

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7
Q

The expression of one gene is influenced by the presence of another describes

A

Epistasis

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8
Q

The average gestation length in cattle is

A

281 days

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9
Q

The average gestation length in sheep and goats is

A

150 days

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10
Q

The average gestation length in pigs is

A

115 days

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11
Q

The usual genetic effect of outbreeding (crossbreeding) is

A

Increase heterozygosity

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12
Q

A general term for the act of giving birth is properly referred to as

A

Parturition

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13
Q

Animals mates together which are from two different breeds are

A

Crossbred

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14
Q

Ovaries produce

A

Ova

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15
Q

The average length of estrous cycle in cattle is

A

21 days

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16
Q

Difficulty giving birth is

A

Dystocia

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17
Q

_____ is the measure of reliability associated with an EPD

A

Accuracy

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18
Q

Refers to a situation we’re the same or many of the same genes control two traits

A

Genetic correlation

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19
Q

This structure is considered the “birth canal” and separates the external environment from the internal environment

A

Vagina

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20
Q

Site of fertilization in most livestock species

A

Uterus

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21
Q

The “organ of pregnancy” and has a body and two horns

A

Uterus

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22
Q

Produces progesterone

A

C.L.

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23
Q

FSH

A

Causes the follicle to produce •estrogen
•Is called follicle stimulating hormone
•Is prohibited by progesterone
(All of the above)

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24
Q

The proportion of phenotypic variation that can be passed from parent to offspring is

A

Heritability

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25
Q

Circle which is NOT an economical important trait selected

A

EPD’s

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26
Q

What are TWO items that are included in the herd reproductive measures in swine

A

All of the above

27
Q

What is GnRH

A

Gonadotropin releasing hormone

28
Q

What is the abbreviation for Follicle Stimulating Hormone

A

FSH

29
Q

Define dystocia

A

Difficulty in birth

30
Q

What can we do to limit dystocia

A

Breed with a light birth weight bull

31
Q

What is the stress disease in swine called

A

Porcine stress syndrome

32
Q

Bw

A

Birth weight

33
Q

The first genetic finding were on what

A

Sheep

34
Q

What are the possible genotypes for two specimens that are homozygous for long noses (LL) and blue eyes (BB)

A

LB and BL

35
Q

Carcass traits in beef cattle are

A

Highly heritable

36
Q

EPD stands for

A

Expected Progeny Difference

37
Q

A genetic evaluation resource in sheep is

A

NSIP

38
Q

What is DHI

A

Dairy herd index

39
Q

A multi celled embryo is called an

A

Morula

40
Q

Which hormone initiates release of FSH and LH

A

Testosterone

41
Q

The means an animal uses to bring food into its mouth is

A

Prehension

42
Q

A castrated male calf is called

A

Steer

43
Q

The four compartments in ruminant stomachs are (in order)

A

Rumen, reticulum, omasum, abomasum

44
Q

The chief site of digestion and absorption for monogastrics is

A

Small intestine

45
Q

What is the large intestine in horses made up of

A

Cecum, large colon, small colon, rectum

46
Q

A good example of animal derived source of protein

A

Blood meal

47
Q

The following nutrient is made of long chains of amino acids

A

Proteins

48
Q

Which of the following is not an essential nutrient

A

NPN

49
Q

Depending on the type of enterprise, the cost of feed and feeding is oftentimes _______ of the total cost of livestock production

A

45-75%

50
Q

Blood is made up of ___-____ % water

A

70-80

51
Q

True or false- trace minerals are needed in LARGE amounts

A

False

52
Q

T/F- a defiance of phosphorus can decrease appetites

A

True

53
Q

T/F- copper can be fed to sheep and is a micro mineral

A

False

54
Q

What is one cultural use we use animals for today

A

Religious practices

55
Q

What is one type of stress an animal can have

A

Environmental stress

56
Q

Monogastric herbivore

A

Horse

57
Q

Commercial livestock production that is considered ______ generally means the animals are confined so that mechanization and the latest technology can be maximized and individual attention can be given to the animals without greatly increasing labor

A

Intensive

58
Q

What is colic

A

A digestive disturbance

59
Q

The combination of disciplines that together comprise the study of domestic animals is called

A

Animal science

60
Q

What are the trace minerals?

A 
Iron
Iodine
Selenium
Copper
Manganese
Cobalt
Fluoride 
Zinc
61
Q

All the above are trace minerals except

A

Sodium

62
Q

This part of the small intestine is site of food breakdown

A

Duodenum

63
Q

Rumination is

A

The animal regurgitates the food eaten earlier and spends time chewing it

64
Q

All of the following are essential nutrients EXCEPT

A

DDG

Animal Science (1 decks)

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