fig. 9-0b ancestral canine chinese shar-pei akita basenji siberian husky alaskan malamute rottweiler...
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Fig. 9-0b
Ancestralcanine
Chinese Shar-Pei
Akita
Basenji
Siberian Husky
Alaskan Malamute
Rottweiler
Sheepdog
Retriever
Afghan hound
Saluki
Wolf
Figure 9.2C_s3
Gregor Mendel performed artificial selection (breeding) experiments on pea plants
Figure 9.2D_1
Character TraitsDominant Recessive
Flower color
Purple White
Flower position
Axial Terminal
Seed colorYellow Green
Seed shape
Round Wrinkled
Figure 9.2D_2
CharacterDominant Recessive
Traits
Pod shape
Inflated Constricted
Pod color
Green Yellow
Stem length
Tall Dwarf
Figure 9.3A_s2The Experiment
P generation(true-breedingparents)
F1 generation
Purpleflowers
Whiteflowers
All plants havepurple flowers
Figure 9.3A_s3The Experiment
P generation(true-breedingparents)
F1 generation
F2 generation
of plantshave purple flowers
of plantshave white flowers
Purpleflowers
Whiteflowers
All plants havepurple flowers
Fertilizationamong F1 plants(F1 F1)
34
14
Figure 9.3B_s3The Explanation
P generation
F1 generation(hybrids)
F2 generation
Genetic makeup (alleles)
Purple flowers White flowers
Gametes P All p
ppPP
P
P
P
p
p
p
PP Pp
Pp pp
Eggsfrom F1 plant
Gametes
Fertilization
All Pp
Allelessegregate
Phenotypic ratio3 purple : 1 white
Genotypic ratio1 PP : 2 Pp : 1 pp
Sperm from F1 plant
21
21
All
Figure 9.8ADominant Traits Recessive Traits
Freckles No freckles
Widow’s peak Straight hairline
Free earlobe Attached earlobe
Figure 9.8B
First generation(grandparents)
Second generation(parents, aunts,and uncles)
Third generation(two sisters)
Female MaleAttachedFree
Ff Ff Ffff
FfFfff ff ff
ff
FForFf
FForFf
Figure 9.9A
Parents
Offspring
Sperm
Eggs
NormalDd
NormalDd
D
D
d
d
DDNormal
DdNormal(carrier)
DdNormal(carrier)
ddDeaf
Table 9.9
Figure 9.11AP generation
F1 generation
F2 generation
21
21
21
21
21
21
Gametes
Gametes
Eggs
Sperm
RedRR
Whiterr
Pink hybridRr
R
R
R
R
r
r
r
r
RR rR
Rr rr
Incomplete dominance
Figure 9.12
Blood Group(Phenotype) Genotypes
Carbohydrates Presenton Red Blood Cells
AntibodiesPresentin Blood
A
B
AB
O
IAIA
orIAi
IBIB
orIBi
IAIB
ii
Carbohydrate A
Carbohydrate B
Carbohydrate A
and
Carbohydrate B
Neither
Anti-B
Anti-A
Anti-B
Anti-A
None
No reaction Clumping reaction
O A B AB
Reaction When Blood from Groups Below Is Mixedwith Antibodies from Groups at Left
Co-dominance
Fig. 9-UN2
Incompletedominance
RedRR
Singlegene
Single characters(such as skin color)
Multiple characters
Pleiotropy
PolygenicinheritanceMultiple
genes
Whiterr
PinkRr