Flower organ pattern formation is specified by the A B and C genes in arabidopsi

Question

Flower organ pattern formation is specified by the A B and C genes in arabidopsis. A gene alone makes sepal, A and B together make petal, B and C together make stamen. And C alone makes carpel. If you want to generate a novel plant which does not have anthers (so that no pollen is produced to cause allergy) but the three other floral organs are still in tact, which of the following is the best strategy? A. Inactivate gene B B. Inactivate gene C C. Replace C with A in the whorl of stamen only D. Inactivate both B and C E. None of the above Flower organ pattern formation is specified by the A B and C genes in arabidopsis. A gene alone makes sepal, A and B together make petal, B and C together make stamen. And C alone makes carpel. If you want to generate a novel plant which does not have anthers (so that no pollen is produced to cause allergy) but the three other floral organs are still in tact, which of the following is the best strategy? A. Inactivate gene B B. Inactivate gene C C. Replace C with A in the whorl of stamen only D. Inactivate both B and C E. None of the above A. Inactivate gene B B. Inactivate gene C C. Replace C with A in the whorl of stamen only D. Inactivate both B and C E. None of the above

Explanation / Answer

A gene alone produces sepals

A and B together makes petal

B and C makes stamen

A and C makes carpel

If B gene is inactivated, along with stamens, petals will also not be formed. If C is inactivated, carpels are not formed. The best option would be to replace C with A in the whorl of stamen only (option C).

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