mutants were isolated that either could not ripen even when exposed to ethylene

Question

mutants were isolated that either could not ripen even when exposed to ethylene treatment or could ripen even without ethylene treatment. To determine the epistatic relationship among these mutations, double mutants were constructed and their phenotypes were observed and summarized below What is the regulatory relationship among these three genes? (Draw the regulatory pathway starting with "Ethylene" and ending with "tomato ripening". Use arrows to indicate positive regulations and bars to indicate negative regulations.

Explanation / Answer

Answer:

From the available dataset it is preaumable that, in defective condition (mutation) colour and physical structural modulating agent (ethylene) can't exert effect. While in wild variety the desired changes are coming without any influencing agent.

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