Chapter 14 Pictures

1
Chapter 14 Pictures
2

• Today
• Announcements
• .

3
19th Century Blending Theory
4
Gregor Mendel
5
Blending Theory vs. Particulate Theory
Fig 14.4
Chromosome 1
Chromosome 1
6
Table 14.1 Traits found in Mendels Peas
7
Figure 14.2 Mendels crosses
8
Fig 14.6 Genotype vs. Phenotype
9
Hybrids/Heterozygous (Ss)
True breeding
True breeding
Hybrids
10
Phenotypes
Behavioral Differences
Physical Differences
Molecular Differences
11
Question 14.1
12
Alleles Segregateduring gamete production
13
Fig14.3
Parental Cross
Outcome All F1 have Purple flowers
14
Genotypes, Phenotypes, Gametes, and Punnett
Squares
P Generation
X
Where p white allele For flower color
Where P Purple allele For flower color
pp
PP
Possible gametes
Pollen
Pollen
Egg
Egg
15
(Parentals)
F 1 generation Genotype All Pp (Heterozygous or
hybrid) Phenotype All Purple flowers
16
Fig14.3
First Filial Generation allowed to
Self-pollinate
Outcome F2 have phenotypic ratio of 3 purple
1 white
17
F1
F1
F2 generation Genotype 1 PP2 Pp1
pp Phenotype 3 purple 1 white
18
TEST CROSS
Y Yellow seed y green seed
yy
YY or Yy
Phenotype Dominant Genotype Unknown
19
F1 generation Phenotypic Ratio 1 yellow 1
green
Genotype of Test Plant Yy (heterozygote)
TEST CROSS
20
Alleles for two genes on different chromosomes
seed color and seed shape
(1) Seed Color
Yellow (Y)
Green (y)
(2) Seed Shape
(r)
(R)
21
Fig 14.8 Dihybrid Cross
Gametes YR YR YR YR
Gametes yr yr yr yr
X
yr
All YyRr In the F1 generation
YyRr
YR
22
Independent Assortment in Gametes
YyRr
23
Fig 14.8 Dihybrid Cross
YyRr x YyRr (F1 self-pollination)
9331 Phenotype (not genotype)
24
Multiplication Rule
YyRr x YyRr
R
r
y
Y
R
RR
Rr
YY
Y
Yy
Rr
rr
yy
r
y
Yy
25
Cystic Fibrosis
26
Huntingtons Disease
27
Question 14.5 14.6
28
M and N Glycoproteins on RBC
MM
MN
NN
M
M
N
N
M
N
M
M
N
N
M
N
M
M
N
N
N
M
29
Fig 14.10
30
IA is dominant to i
IB is dominant to i
IA and IB are codominant
31
Question 14.7
32
Pleiotropy
33
aabb
Aabb aaBb
AAbb aaBB AaBb
AABb AaBB
AABB
34
Is Hair Color Multifactorial?
35
(No Transcript)
36
Amniocentesis and CVS
37
PKU