Intermediate Traits: Coloring Book
Parent Phenotype: Red
Parent Phenotype: White
F1 Offspring Phenotype: Pink
Parent Genotype:
Parent Genotype:
F1 Offspring Genotype:
Explanation Summary: This is an example of ________________ ___________________. One parent has
the ____________________ genotype for the red ____________________ and the other parent has the
_______________ genotype for ________. Neither phenotype is __________________ dominant over the
other phenotype. This is why it is said to be __________________ ___________________. Therefore, the
phenotypes ______________ together to make a ____________ phenotype, ______________.
WORD BANK: third, completely, phenotype, blend, recessive, white, incompletely dominant, pink, recessive,
incomplete dominance.
Parent Phenotype: Black
Parent Phenotype: White
F1 Offspring: Black & White
Parent Genotype:
Parent Genotype:
F1 Offspring Genotype:
This is a classic example of _________________________. Both parents have ___________________
genotypes for different phenotypes; one parent has the phenotype ________ and the other parent
has the _________________ white. BOTH of the phenotypes are __________________ so, consequently
they are BOTH ________________ as a third phenotype _________ & __________. When this occurs, the
offspring appear _____________ with both black and white.
WORD BANK: dominant, phenotype, black, black & white, spotted, dominant, expressed, codominance.
PROBLEM SET #1 | In Smileys, eye shape can be starred, circular, or a circle with a star.
A) In this codominance or incomplete dominance? How do you know? __________________________________________
_________________________________________________________________________________________________
B) Write the genotypes for the pictured phenotypes
Genotype: _______________ Genotype: _______________
C) Show the cross between a star-eyed and a circle eyed.
Genotype: _______________
Parents: _____________ X _____________
What are the phenotypes of the offspring?
What are the genotypes?
D) Show the cross between a circle-star eyed, and a circle eyed.
Parents: _____________ X _____________
What are the phenotypes of the offspring?
What are the genotypes?
PROBLEM SET #2 | Roan cows are a special breed of cow that has red and white
spotting. A roan cow is bred from a red and white parent cow. Since both red and white are dominant alleles, the F1
offspring is spotted.
A) In this codominance or incomplete dominance? How do you know?
_________________________________________________________________________________________________
B) Write the genotypes for the pictured phenotypes
Genotype: _______________ Genotype: _______________
C) Show the cross between a white cow and a red cow.
Parents: _____________ X _____________
What are the phenotypes of the offspring?
What are the genotypes?
D) Show the cross between a roan cow and a white cow.
Parents: _____________ X _____________
What are the phenotypes of the offspring?
What are the genotypes?
Genotype: _______________