Codominance and incomplete dominance – video tutorial worksheet
Name: ________________________________ Date: ____________________ Period: ______
1. What is Codominance
2. Why do both colors (red and white) for petal color show up in the flower that is codomiant?
3. Why do we use capital letters when setting up punnett squares involving codominant traits?
4. When a Purebred red and a purebred white carnation are crossed, what phenotype is seen in
the F1 generation of flowers?
5. When two hybrid (RW) carnations are crossed, what phenotypes are observed in the offspring?
What percentage of each is observed?
6. What is incomplete dominance?
7. Why is the heterozygous (Rr) snapdragon pink?
8. If the snapdragon were following a “Mendel Like” pattern instead of incomplete dominance,
what color would the heterozygous (Rr) snapdragon be? Why?