Principles of Inheritance and Variation Question 60

60. In a certain 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 rrtt genotype, what will be the percentage of tall plants with red fruits in the progeny?

(a) 50%

(b) 100%

(c) 75%

(d) 25%

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Answer : a

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