Incomplete and Codominant
Traits
Incomplete & Co-Dominant Traits
Incomplete Dominance
The Heterozygous genotype
will express an in-between
phenotype.
Codominance
Both phenotypes are
expressed
Chestnut horse: Reddish brown AA
light red/pink Aa, creamy white aa
Fill in the Punnett Square
Determine the genotypes
and phenotypes of the
offspring from these
parents
Fun with Punnett Squares
Fun with Punnett Squares
Fun with Punnett Squares
Fun with Punnett Squares
Fun with Punnett Squares
Fun with Punnett Squares
Fun with Punnett Squares
Chestnut horse: Reddish brown AA
light red/pink Aa, creamy white aa
Fill in the Punnett Square
Determine the genotypes
and phenotypes of the
offspring from these
parents
Chestnut horse: Reddish brown AA
light red/pink Aa, creamy white aa
Fill in the Punnett Square
Determine the genotypes
and phenotypes of the
offspring from these
parents
Certain flowers can be red, white
or white & red. Red is R
(dominant)
Complete the square for a
heterozygous A and a
heterozygous B
Fun with Punnett Squares
Fun with Punnett Squares
Fun with Punnett Squares
Fun with Punnett Squares
Fun with Punnett Squares
Fun with Punnett Squares
Fun with Punnett Squares
Certain flowers can be red, white
or white & red. Red is R
(dominant)
Complete the square for a
heterozygous A and a
heterozygous B
Blood types A and B are dominant
over type O
Complete the square for a
heterozygous AB and a
homozygous AA
Fun with Punnett Squares
Fun with Punnett Squares
Fun with Punnett Squares
Fun with Punnett Squares
Fun with Punnett Squares
Fun with Punnett Squares
Fun with Punnett Squares
Blood types A and B are dominant
over type O
Complete the square for a
heterozygous AB and a
homozygous AA
Blood types A and B are dominant
over type O
Complete the square for a
heterozygous A and a
heterozygous B
Fun with Punnett Squares
Fun with Punnett Squares
Fun with Punnett Squares
Fun with Punnett Squares
Fun with Punnett Squares
Fun with Punnett Squares
Fun with Punnett Squares
Blood types A and B are dominant
over type O
Complete the square for a
heterozygous A and a
heterozygous B
Blood types A and B are dominant
over type O
Complete the square for a
heterozygous A and a
heterozygous B
Fun with Punnett Squares
Fun with Punnett Squares
Fun with Punnett Squares
Fun with Punnett Squares
Fun with Punnett Squares
Fun with Punnett Squares
Fun with Punnett Squares
Blood types A and B are dominant
over type O
Complete the square for a
heterozygous A and a
heterozygous B
Blood types A and B are dominant
over type O
Complete the square for a
heterozygous A and a
heterozygous B
Fun with Punnett Squares
Fun with Punnett Squares
Fun with Punnett Squares
Fun with Punnett Squares
Fun with Punnett Squares
Fun with Punnett Squares
Fun with Punnett Squares
Blood types A and B are dominant
over type O
Complete the square for a
heterozygous A and a
heterozygous B
Sickle cell anemia is autosomal
recessive
HOMOZYGOUS DOMINANT
HOMOZYGOUS
RECESSIVE
Fun with Punnett Squares
Fun with Punnett Squares
Fun with Punnett Squares
Fun with Punnett Squares
Fun with Punnett Squares
Fun with Punnett Squares
Fun with Punnett Squares
Sickle cell anemia is autosomal
recessive
HOMOZYGOUS DOMINANT
HOMOZYGOUS
RECESSIVE
Sickle cell anemia is autosomal
recessive
HOMOZYGOUS DOMINANT
HOMOZYGOUS
RECESSIVE
Blood types A and B are dominant
over type O
Complete the square for a
heterozygous A and a
heterozygous B