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Question
In a genetic map, distance between P and Q is 12.4 map unit, Q and R is 7.6 map unit and P and R is 18.2 map unit instead of 20 map unit. This is because of
In a genetic map, distance between P and Q is 12.4 map unit, Q and R is 7.6 map unit and P and R is 18.2 map unit instead of 20 map unit. This is because of
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Solution
The correct option is C Interference
The crossing over in one region interferes with crossing over in the adjacent region, this phenomenon is known as interference. Interference causes double cross over value to deviate from the expected value. In the question, the expected double cross over value for P and R is 20 map units but the actual observed value comes to be 18.2 map unit which is the result of interference. Option C is the correct answer.
The crossing over in one region interferes with crossing over in the adjacent region, this phenomenon is known as interference. Interference causes double cross over value to deviate from the expected value. In the question, the expected double cross over value for P and R is 20 map units but the actual observed value comes to be 18.2 map unit which is the result of interference. Option C is the correct answer.
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