15. It is said that Mendel proposed that the factor controlling any character

is discrete and independent. His proposition was based on the

a. results of the 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 offsprings

d. cross-pollination of F1 generation with recessive parent

Solution:

Option (b) is the answer.