question_answer

                In a given plant, red colour (R) of fruits is dominant over white fruit (r); and tallness (T) is dominant over dwarfness (t). If a plant with genotype RRTt is crossed with a plant of genotype rrtt, what will be the percentage of tall plants with red fruits in the next generation?                                                        

A)                 100%    

B)                 25%                       

C)                 50%                       

D)                 75%

Correct Answer: C

Solution :

                                Phenorype of different plants is                 (i) Ail plants contain red fruits.                 (ii) 50% plants are tall with red fruits.                 (iii) 50% plants are dwarf with red fruits.