In a plant, red fruit ( R ) is dominant over yellow fruit ( r ) and tallness (T) is dominant over shortness (t). If a plant with RRTt genotype is crossed with a plant that a rrtt:
A. 25% will be tall with red fruit
B. 50% will be tall with red fruit
C. 75% will be tall with red fruit
D. all the offspring will be tall with red fruit
