Question

In rice, assume that a recessive gene "a” is responsible for resistance to BLB. This gene is present on chromosome #1. A monosomic resistant line for chromosome #1 is crossed with normal susceptible line. The phenotype of F1 plants will be

A all plants resistant Correct Answer Incorrect Answer
B all plants susceptible Correct Answer Incorrect Answer
C 50% plants resistant and 50% plants susceptible Correct Answer Incorrect Answer
D 75% plants resistant and 25% plants susceptible Correct Answer Incorrect Answer

Solution

The correct answer is C

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