Examine the Punnett square below, which represents a dihybrid cross of two rose bushes.

RT Rt rT rt
RT RRTT RRTt RrTT RrTt
Rt RRTt RRtt RrTt Rrtt
rT RrTT RrTt rrTT rrTt
rt RrTt Rrtt rrTt rrtt

How many different genotype variations are possible in the offspring of these crossed rose bushes?

There are a total of 16 different genotype variations possible in the offspring of these crossed rose bushes.