2. Practice
B = brown eyes
C = curly hair
b = blue eyes
c = straight hair
1. What is the symbol (letter) for someone who has
brown eyes?
B
2. What is the symbol for someone who has straight
hair?
c
3. What is the symbol for someone who has blue
eyes?
b
4. A capital letter represents ?
Dominant
gene or
trait
3. Hybrid and Purebred Practice problems
T = tall
G = green
t = short
g = yellow
1. A plant is purebred tall. What genes does it have?TT
2. A plant is hybrid green. What genes does it have? Gg
3. A plant is purebred yellow. What genes does it have? gg
4. Phenotype and Genotype Practice
Problems
T = tall
1.
2.
3.
4.
t = short
What is the phenotype for a person who is tall? Tall
What is the genotype for a person who is short? tt
What is the phenotype for a person who is short? short
What is the genotype for a person who is tall? TT or Tt
