If a F₁ hybrid round and yellow seeded pea plant is selfed, what would be the ratio of wrinkled and yellow seeded pea plant and wrinkled and green seeded pea plant in the resultant offspring.

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159: 53

159: 477

477:53

159: 159

answer is A.

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Detailed Solution

When a hybrid round and yellow seeded pea plant is selfed, the phenotypic ratio would be 9(round and yellow seeded plants):3( round and green seeded plants): 3(wrinkled and yellow seeded plant):1 (wrinkled and green seeded plant). Therefore, the probability of getting wrinkled and yellow seeded plant is three time the probability of getting wrinkled and green seeded plant. Therefore, if probability of getting wrinkled and green seeded plant is 53 then the probability of getting wrinkled and yellow seeded plant would be 53 x 3= 159.

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