Question

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. 1
• B. 0.25
• C. 0.5
• D. 0.75

Answer 1

Answer: (C)

0.5

Answer 2

Phenotype of different plants is (i) All plants contain red fruits. (ii) $50 \%$ plants are tall with red fruits, (iii) $50 \%$ plants are dwarf with red fruits