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Examine the Punnett square below, which represents a dihybrid cross of two rose bushes.
RTRET it
RT RRTT RRTU RITT RrTt
RE RRTE RRt Rret Rett
rT RITT RrTt TTTt
it RrTt Rett t itt
How many different genotype variations are possible in the offspring of these crossed rose bushes?
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