Name _____________________________ Period__________ Date________
Use the following table describing the traits of pea plants to complete the
problems:
Trait
Pod Shape
Pod Color
Plant Height
Dominant Gene
Smooth –S
Green –G
Tall –T
Recessive Gene
Constricted –s
Yellow –g
Short -t
1. A plant that is heterozygous for green pods is crossed with a plant that has
yellow pods. Make a Punnett Square to predict the percentage of the offspring
that are likely to have green pods and yellow pods.
_____% green pods _______% yellow pods
2. Two plants that are both heterozygous for pod shape are crossed. Make a
Punnett Square to predict the outcome of a cross between these two plants.
____% smooth pod shape ______% constricted pod shape
3. A homozygous Tall plant is crosses with a short plant. Make a punnett
Square to predict the outcome of a cross between these two plants.
_______% Tall plants
_______% short plants