A Homozygous tall green flowered plant is crossed with a Hom

A Homozygous tall, green flowered plant is crossed with a Homozygous short white flowered plant. _____ Tall/green: ______ Tall/White: _______ Short/green: _______ Short/White

Solution

It is an example of Dihybrid test cross. The test cross of a heterozygous Tall green flowered plant with a double recessive parent i.e., short white plant , yeilds the test cross genotypic and phenotypic ratio of 1:1:1:1 as follows:

1/4 Tall/green 1/4 Tall/white 1/4 short/green 1/4 short/white.