The Punnet square below shows a genetic cross between two grey round (GgRr) individuals but has some omitted information. Grey and round are dominant over black and wrinkled respectively. Key: Grey and Round GR Gr gR gr Black and Round Grey and Wrinkled GR A Black and Wrinkled Gr B gR C 1.2.1 Determine the phenotypes for A to C. 1.2.2 Determine the genotype for D. gr D (3) (4)
individuals but has some omitted information. Grey and round are dominant over black and wrinkled respectively. Key: Grey and Round
Black and Round
Grey and Wrinkled
Black and Wrinkled
GRGrgRgr
GR Gr gR
AB
gr
(3) (1) (4)
1.2.1 Determine the phenotypes for A to C 1.2.2Determine the genotype for D