Emerson’s Three-Point Test-Cross Analysis

Table 5.3 Emerson’s Three-Point Test-Cross Analysis Parental cross: V GI Va/V GI Va vgl va/vgl va Green, rough, normal x yellow, glossy, variable Test cross: V GI Va/v gl va x v g! va/v gl va Green, rough, normal yellow, glossy, variable Test-cross progeny: Number Number Genotype Phenotype Observed Expected (gamete / gamete) 1. Yellow, rough, normal 60 90.75 v Gl Va/v gl va 2. Yellow, glossy, normal 48 90.75 v 9! Va/v gI va 3. Yellow, rough, variable 4 90.75 v GI va/v gl va 4. Yellow, glossy, variable 270 90.75 v g! va/v gl va 5. Green, rough, normal 235 90.75 V Gl Va/v gl va 6. Green, glossy, normal 7 90.75 V 9! Va/v gl va 7. Green, rough, variable 40 90.75 V GI va/v gI va 8. Green, glossy, variable 62 90.75 V g! va/v gl va 726 726