Genetics Flashcards
The dog’s 2n chromosome number
Response:
80
68
76
78
78
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
white in variegated lake, tobiano
Bovine 2n chromosome number
Response:
62
56
60
50
60
Goat’s 2n chromosome number
Response:
50
64
60
58
60
“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
greying, early hair bleaching,
2n chromosome number of poultry species
Response:
cca. 68-70
cca. 88-90
cca. 72-76
cca. 78-80
cca. 78-80
“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
wild colours, agouti
Chromosome number (2n) of European pig
Response:
40
34
48
36
36
“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
colour and white intermediate, studded mixing, roan
R for Roan
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
3-4
The mammalian domestic species average number of breeds
Response:
100-500
100-300
200-700
80-280
100-500
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
rg= -0.55 rp= -0.45
Heritability value (h2) for meat production:
Response:
0.4-0.8
0.89-0.9
0.4-0.6
4.0-6.2
0.4-0.6
The cat’s 2n chromosome number
Response:
40
44
38
36
38
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
rg=0.00 rp=-0.20
Number of domestic species:
Response:
60 species
40 species
70 species
50 species
50 species
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
0.4-0.6
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
rg=0.05 rp=0.30
“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
Full White
W for double White
The 2n chromosome number of a donkey
Response:
52
60
60
62
62
The 2n chromosome number of the sheep
Response:
50
60
54
64
54
Heritability value (h2) for fertility:
Response:
10-20 low
0.8- 0.9 high
0.001- 0.002 alacsony
0.1-0.2, low
0.1-0.2, low
The horse’s 2n chromosome number
Response:
54
60
62
64
64
“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
poly