For a class of 30. An excellent introduction to the dihybrid cross. Students count the phenotypes of corn grains resulting from a dihybrid cross and compare their results to predicted values. The expected phenotypic ratio is 9:3:3:1. Kit is completely reusable with item# 176381 Replacement Student Guide (SG) Set.

Contents:

• 15 Segregating Ears (Purple:Yellow Starchy:Sweet)
• Beginning Marker Pins
• Row Marker Pins
• 30 Student Guides
• Teacher's Manual