Download Mendel and the Gene Idea

Chapter 14
Mendel and the Gene Idea
Chapter 14
Mendel and the Gene Idea
Law of Segregation:
Chapter 14
Mendel and the Gene Idea
Law of Segregation:
Two alleles are packaged
into separate gametes.
Chapter 14
Mendel and the Gene Idea
Law of Independent Assortment:
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Mendel and the Gene Idea
Law of Independent Assortment:
Each pair of alleles segregates
into gametes independently.
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Mendel and the Gene Idea
Rules of probability:
Chapter 14
Mendel and the Gene Idea
Rules of probability:
The probability of a compound
event is equal to the product
of the separate probabilities of
the independent single events.
Chapter 14
Mendel and the Gene Idea
The relationship between phenotype
and genotype is rarely simple
Chapter 14
Mendel and the Gene Idea
The relationship between phenotype
and genotype is rarely simple
incomplete dominance
Chapter 14
Mendel and the Gene Idea
The relationship between phenotype
and genotype is rarely simple
incomplete dominance
white
red
flowers flowers
Chapter 14
Mendel and the Gene Idea
The relationship between phenotype
and genotype is rarely simple
incomplete dominance
pink
flowers
Chapter 14
Mendel and the Gene Idea
The relationship between phenotype
and genotype is rarely simple
codominance
Chapter 14
Mendel and the Gene Idea
The relationship between phenotype
and genotype is rarely simple
codominance
type A
blood
type B
blood
Chapter 14
Mendel and the Gene Idea
The relationship between phenotype
and genotype is rarely simple
codominance
type AB
blood
Chapter 14
Mendel and the Gene Idea
The relationship between phenotype
and genotype is rarely simple
codominance
Chapter 14
Mendel and the Gene Idea
The relationship between phenotype
and genotype is rarely simple
multiple alleles
Chapter 14
Mendel and the Gene Idea
The relationship between phenotype
and genotype is rarely simple
multiple alleles
red blond brown black
hair hair
hair
hair
Chapter 14
Mendel and the Gene Idea
The relationship between phenotype
and genotype is rarely simple
multiple alleles
Chapter 14
Mendel and the Gene Idea
The relationship between phenotype
and genotype is rarely simple
pleiotropy
Chapter 14
Mendel and the Gene Idea
The relationship between phenotype
and genotype is rarely simple
pleiotropy
sickle cell anemia
Chapter 14
Mendel and the Gene Idea
The relationship between phenotype
and genotype is rarely simple
pleiotropy
sickle cell anemia
crippling
immunity
joint pain
to malaria
Chapter 14
Mendel and the Gene Idea
The relationship between phenotype
and genotype is rarely simple
epistasis
Chapter 14
Mendel and the Gene Idea
The relationship between phenotype
and genotype is rarely simple
epistasis
brown pigment
white mouse
Chapter 14
Mendel and the Gene Idea
The relationship between phenotype
and genotype is rarely simple
epistasis
brown pigment
brown mouse
depositing pigment
Chapter 14
Mendel and the Gene Idea
The relationship between phenotype
and genotype is rarely simple
polygenetic traits
Chapter 14
Mendel and the Gene Idea
The relationship between phenotype
and genotype is rarely simple
polygenetic traits
pigment # 1
skin color
pigment # 2
pigment # 3
Chapter 14
Mendel and the Gene Idea
The relationship between phenotype
and genotype is rarely simple
polygenetic traits
pigment # 1
skin color
pigment # 2
pigment # 3
Chapter 14
Mendel and the Gene Idea
The relationship between phenotype
and genotype is rarely simple
polygenetic traits
pigment # 1
skin color
pigment # 2
pigment # 3
Chapter 14
Mendel and the Gene Idea
The relationship between phenotype
and genotype is rarely simple
polygenetic traits
pigment # 1
skin color
pigment # 2
pigment # 3
Chapter 14
Mendel and the Gene Idea
The relationship between phenotype
and genotype is rarely simple
polygenetic traits
Chapter 14
Mendel and the Gene Idea
The relationship between phenotype
and genotype is rarely simple.
environmental factors
Chapter 14
Mendel and the Gene Idea
The relationship between phenotype
and genotype is rarely simple.
environmental factors
fur turns white
brown
in cold weather
rabbit
Chapter 14
Mendel and the Gene Idea
The relationship between phenotype
and genotype is rarely simple.
environmental factors
fur turns white
white
in cold weather
rabbit
Chapter 14
Mendel and the Gene Idea
Pedigree analysis reveals Mendelian
patterns in human inheritance
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Mendel and the Gene Idea
Pedigree analysis reveals Mendelian
patterns in human inheritance.
Many human disorders follow
Mendelian patterns of inheritance.
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Mendel and the Gene Idea
Technology provides tools for
genetic testing and counseling
Chapter 14
Mendel and the Gene Idea
Technology provides tools for
genetic testing and counseling
•Family histories
Chapter 14
Mendel and the Gene Idea
Technology provides tools for
genetic testing and counseling
•Family histories
•Amniocentesis
Chapter 14
Mendel and the Gene Idea
Technology provides tools for
genetic testing and counseling.
•Family histories
•Amniocentesis
•Chorionic villus
sampling.