Mention the phenotypic ratio of dihybrid cross in F2-generation
Dihybrid cross
The cross is performed by taking two pairs of contrasting characters at a time known as a dihybrid cross.
The F2 generation occurs by crossing the members of the F1-generation offspring.
YR | Yr | yR | yr | |
YR | YYRR Yellow, Round | YYRr Yellow, Round | YyRR Yellow, Round | YyRr Yellow, Round |
Yr | YYRr Yellow, Round | YYrr Yellow, Wrinkled | YyRr Yellow, Round | Yyrr Yellow, Wrinkled |
yR | YyRR Yellow, Round | YyRr Yellow, Round | yyRR Green, Round | yyRr Green, Round |
yr | YyRr Yellow, Round | Yyrr Yellow, Wrinkled | yyRr Green, Round | yyrr Green, Wrinkled |
The phenotypic ratio in F2-generation is 9:3:3:1