H2 Biology Core 2 - Dihybrid Cross with Independent Assortment

What you will learn

• Sets up an R r Y y by R r Y y dihybrid cross using the seed shape and seed colour example.
• Lists the four equally likely gamete types from independent assortment and fills in the sixteen cell Punnett square.
• Counts the classic 9 : 3 : 3 : 1 phenotypic ratio for round yellow, round green, wrinkled yellow, and wrinkled green.