B) bubbling in oxygen
C) decreasing the temperature
D) adding more hydrogen peroxide
Answer: A
Explanation: USATestPrep
I. DD and Dd
II. Dd and Dd
III. DD and dd
A. I only
B. II only
C. I or II
D. II or III
E. I, II, or III
B. Genotype
C. Phenotype
D. Dominance