Radish flowers may be red, purple, or white. A cross between a red-flowered plant and a white-flowered plant yields all-purple offspring. The part of the radish
we eat may be oval or long, with long being the dominant characteristic.
In the F2 generation of the above cross, which of the following phenotypic ratios would be expected?
9:3:3:1
9:4:3
O
1:1:1:1
1:1:1:1:1:1
6:3:3:2:1:1