question_answer 51)

  In peas, a pure tall plant (TT) is crossed with a short plant (tt). The ratio of pure tall plants to short plants in  is (a) 1 : 3                                 (b) 3 : 1                                 (c) 1 : 1                                  (d) 2 : 1

Answer:

                  (b) In  generation, the phenotypic ratio is 3 :1, in a monohybrid cross.