Introduction to Genetics Graphic Organizer
(SB2b,c,d,&f)
Who is the father of genetics? Gregor Mendel Why is he important? He discovered the basics of genetics
Inheritance Type 1 Sentence Summary.
Examples of Genotype
Examples of Phenotype:
Mendelian
For most genes, one allele is dominant, other
alleles are recessive.
Incomplete
Dominance
Some aren’t dominant or recessive instead they blend.
Codominance
In codominance, instead of blending they
are both expressed.
Multiple Alleles
Some traits have more than one allele.
Human blood types have multiple alleles.
The allele are: IA=Type A, IB=Type B, i=
type O, IA and IB are both dominant to i, and
codominant to each other.
The trait is controlled by many genes.
Polygenic
Height and skin color are polygenic traits.
1. E
2. S
E
3.
N
A
Homozygous Dominant AA
Heterozygous Aa
Homozygous recessive aa
Homozygous NN
Heterozygous NS
Homozygous SS
Homozygous Dominant Albino
Heterozygous Carrier
Homozygous recessive Normal
Homozygous Normal
Heterozygous Sickle Cell Trait
Homozygous Severe Sickle Cell
Homozygous AA
Heterozygous AB
Homozygous BB
Homozygous Dominant IAIA
IBIB
Heterozygous IAIB, IAi, IBi
Homozygous Type A blood
Heterozygous Type AB blood
Homozygous Type B blood
Homozygous Dominant Type A,
Type B
Heterozygous Type AB, Type A,
and Type B
Homozygous recessive Type O
Homozygous Dominant dark skin
Homozygous recessive ii
Homozygous Dominant
MMMMMMMM
Heterozygous
MMMMmmmm
Homozygous recessive
mmmmmmmm
B
4.
e
S
A
IB
e
N
B
i
% have ectrodactyly
% have Sickle Cell Anemia
% have different blood type
IA
Heterozygous medium skin
Homozygous recessive light skin
i
% that have Type O
5. On the back, explain how two
medium skinned parents can have a
light skinned child.
Introduction to Genetics Graphic Organizer
(SB2b,c,d,&f)
Who is the father of genetics? Gregor Mendel Why is he important? He discovered the basics of genetics
Inheritance Type 1 Sentence Summary.
Examples of Genotype
Examples of Phenotype:
Mendelian
For most genes, one allele is dominant, other
alleles are recessive.
Incomplete
Dominance
Some aren’t dominant or recessive instead they blend.
Codominance
In codominance, instead of blending they
are both expressed.
Multiple Alleles
Some traits have more than one allele.
Human blood types have multiple alleles.
The allele are: IA=Type A, IB=Type B, i=
type O, IA and IB are both dominant to i, and
codominant to each other.
The trait is controlled by many genes.
Polygenic
Height and skin color are polygenic traits.
1. E
2. S
E
3.
N
A
Homozygous Dominant AA
Heterozygous Aa
Homozygous recessive aa
Homozygous NN
Heterozygous NS
Homozygous SS
Homozygous Dominant Albino
Heterozygous Carrier
Homozygous recessive Normal
Homozygous Normal
Heterozygous Sickle Cell Trait
Homozygous Severe Sickle Cell
Homozygous AA
Heterozygous AB
Homozygous BB
Homozygous Dominant IAIA
IBIB
Heterozygous IAIB, IAi, IBi
Homozygous Type A blood
Heterozygous Type AB blood
Homozygous Type B blood
Homozygous Dominant Type A,
Type B
Heterozygous Type AB, Type A,
and Type B
Homozygous recessive Type O
Homozygous Dominant dark skin
Homozygous recessive ii
Homozygous Dominant
MMMMMMMM
Heterozygous
MMMMmmmm
Homozygous recessive
mmmmmmmm
B
4.
e
S
A
IB
e
N
B
i
% have ectrodactyly
% have Sickle Cell Anemia
% have different blood type
IA
Heterozygous medium skin
Homozygous recessive light skin
i
% that have Type O
5. On the back, explain how two
medium skinned parents can have a
light skinned child.