Pea Plants, Yellow is dominant to Green.

Key:
Y: yellow
y: green
What is the homozygous dominant genotype? YY

What is the heterozygous genotype? Yellow pea

What is the homozygous recessive genotype? yy

Cross two heterozygous Pea Plants

Y y
YY
Yy

Yy


yy






What is the genotypic ratio? Yy:yy
What is the phenotypic ratio? 1:1

How many will be green?

















2. Cross a homozygous dominant pea plant with a homozygous recessive pea plant.












What is the genotypic ratio?
What is the phenotypic ratio? ____: ____

How many will be yellow?