Question

In a given plant red red colour of flowers is dominant over white flowers and dollars is dominant over dwarfness in a plant with genotype rrtt is crossed with the plant of genotypes rrtt what will be the percentage of tall plants with red fruits in the next generation

Answer 1

due to dominant alleles 100% generation will be tall & red if the genotype parent which are crossed is rrtt both. the story would be different if genotype was RrTt.