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NEST2025BiologyPrinciples of Inheritance and Variation

When a true-breeding purple-fruit-bearing brinjal plant is crossed with a true-breeding white-fruit-bearing brinjal plant, all the F1 plants produced violet brinjals. Choose the expected outcome observed in F2 plants resulting from selfing the F1 plants.

Options

  1. ATwice the number of progeny plants would bear violet fruits as compared to purple fruits.
  2. B75 % of the progeny plants would produce purple fruits.
  3. C25 % of the progeny would bear white fruits while the remaining would bear violet fruits.
  4. DEqual proportion of progeny would bear purple and violet fruits.

Correct answer

A. Twice the number of progeny plants would bear violet fruits as compared to purple fruits.

Step-by-step solution

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