Genetics

Question 1

The dog’s 2n chromosome number

Response:

80

68

76

78

Answer 1

78

Question 2

T” gene locus determining the colour inheritance of domestic animals:

Response:

wild colors, agouti

white in variegated lake, tobiano

roan color and white intennedier, studded mixing, roan

graying, hairs bleaching, graying

Answer 2

white in variegated lake, tobiano

Question 3

Bovine 2n chromosome number

Response:

62

56

60

50

Answer 3

60

Question 4

Goat’s 2n chromosome number

Response:

50

64

60

58

Answer 4

60

Question 5

“G” locus for inheritance of the coat colour in domesticated animals

Response:

roan color and white intennedier, stitched blend, germanium

greying, early hair bleaching,

wild colors, aguti

full white, kit, goose

Answer 5

greying, early hair bleaching,

Question 6

2n chromosome number of poultry species

Response:

cca. 68-70

cca. 88-90

cca. 72-76

cca. 78-80

Answer 6

cca. 78-80

Question 7

“A” locus for inheritance of the coat colour in domesticated animals:

Response:

polymorphic albino variants: color, chinchilla, himalayan, alcrornellanic, full albino

in white motley, EDN, avero

chinchilla albino

wild colours, agouti

Answer 7

wild colours, agouti

Question 8

Chromosome number (2n) of European pig

Response:

40

34

48

36

Answer 8

36

Question 9

“R” locus for inheritance of the coat colour in domesticated cattle

Response:

color dilutions, black to blue, red to cream, brown to purple color, melanophilin, DCT, dilution

white spotted, variegated, KIT, spotting

in white variegated lake, tobiano

colour and white intermediate, studded mixing, roan

Answer 9

colour and white intermediate, studded mixing, roan

R for Roan

Question 10

Specific feed utilization in beef cattle fattening:

Response:

3-4 kg feed/1 kg liveweight

2.5-3.5 kg feed/1 kg live weight

2-3 kg feed/1 kg live weight

2-3 kg feed/1 kg live weight

Answer 10

3-4

Question 11

The mammalian domestic species average number of breeds

Response:

100-500

100-300

200-700

80-280

Answer 11

100-500

Question 12

Genetic (rg) and phenotypic (rp) correlations in pigs: intensity of growth and feed conversion

Response:

rg= -0.0055 rp= -0.0045

rg=-55 rp=-45

rg= -0.55 rp= -0.45

rg=-0.1 rp=-0.005

Answer 12

rg= -0.55 rp= -0.45

Question 13

Heritability value (h2) for meat production:

Response:

0.4-0.8

0.89-0.9

0.4-0.6

4.0-6.2

Answer 13

0.4-0.6

Question 14

The cat’s 2n chromosome number

Response:

40

44

38

36

Answer 14

38

Question 15

Inheritance value (h2) of egg production and body weight in chickens:

Response:

rg=0.00 rp=-0.002

rg=0.00 rp=-0.20

rg=0.00 rp=-0.20

rg=0.00 rp=-2

Answer 15

rg=0.00 rp=-0.20

Question 16

Number of domestic species:

Response:

60 species

40 species

70 species

50 species

Answer 16

50 species

Question 17

Heritability value (h2) for milk protein and fat %:

Response:

0.005-0.006 middle

0.5-0.6 high

5.0-6.0 middle

0.4-0.6, medium-high

Answer 17

0.4-0.6

Question 18

Genetic (rg) and phenotypic (rp) correlations in pigs: intensity of growth and intramuscular fat:

Response:

rg=0.5 rp=3

rg=5 rp=0.003

rg=0.02 rp=0.10

rg=0.05 rp=0.30

Answer 18

rg=0.05 rp=0.30

Question 19

“W” locus for inheritance of the coat colour in domesticated animals

Response:

white spotted, motley, KIT, spotting

white motley lake, tobiano

white motley horse, edn, overo, wild

full white, kit, white

Answer 19

Full White

W for double White

Question 20

The 2n chromosome number of a donkey

Response:

52

60

60

62

Answer 20

62

Question 21

The 2n chromosome number of the sheep

Response:

50

60

54

64

Answer 21

54

Question 22

Heritability value (h2) for fertility:

Response:

10-20 low

0.8- 0.9 high

0.001- 0.002 alacsony

0.1-0.2, low

Answer 22

0.1-0.2, low

Question 23

The horse’s 2n chromosome number

Response:

54

60

62

64

Answer 23

64

Question 24

“C” locus for inheritance of the coat colour in domesticated animals

Response:

full white, KIT, white, code-C

polymorphic albino variants: chinchilla, Himalayan, acromelic, full albino, pigment dilution

melanocortin receptor, MC1R, red, yellow, code-R

gray, hair bleaching, canine

Answer 24

poly

Question 25

Heritability value (h2) for milk yield:

Response:

0.1-0.2 low

0.8-0.9 low

0.2-0.3, low

1.1-1.2 low

Answer 25

0.2-0.3, low

Question 26

“O” locus for inheritance of the coat colour in domesticated animals

Response:

roan, colored and white intennedier, studded mixing, roan

in white motley lake, tobiano

color dilutions, black to blue, red to cream, brown to purple, melanophilin, DCT, dilution

white in motley horse, EDN, overo frame

Answer 26

white in motley horse, EDN, overo frame

Question 27

“S” gene locus determining the white region inheritance of domestic animals:

Response:

in white variegated horse, EDN, overo, wild color

white spotted, variegated, KIT, Sabino spotting

dilutions, black to blue, red to cream, brown to purple, melanophilin, DCT, dilution

roan, colored and white intennedier, studded mix, roan

Answer 27

white spotted….

S for Spotted

Question 28

“E” locus for inheritance of the coat colour in domesticated animals

Response:

melanocortin receptor, MC1R, red, yellow, extension

full white, kit, goose

graying, hair bleaching, elmo

merle, colorful and white intennedier, stitched blend, expressive

Answer 28

melanocortin receptor, MC1R, red, yellow, extension