question_answer 30)

  It is said that Mendel proposed that the factor controlling any character is discrete and independent. This proposition was based on the (a) results of F3 -generation of a cross (b) observations that the offspring of a cross made between the plants having two contrasting characters shows only one character without any blending (c) self-pollination of F1, off springs (d) cross-pollination of F1 -generation with recessive parent

Answer:

                     (b)   Results of a dihybrid cross where the two parents differed in two pairs of contrasting traits seed colour and seed shape Rest of the options does not support the Mendel's low of segregation.