Flower position stem length and seed shape were three charac

Flower position, stem length, and seed shape were three characters that Mendel studied Each is controlled by an independently assorting gene and has dominant and recessive expression as follows: If a plant that is heterozygous for all three characters were allowed to self-fertilize, what proportion of the offspring would be expected to be as follows: a. terminal flowers, tall stem and wrinkled seed shape b. axial flowers, dwarf stem and round seeds c. axial flowers, tall stem and round seeds

Solution

a) terminal (aa), tall stem (Tt) wrinkled seed shape (rr)

aaTTrr = 1/4 * 1/4 * 1/4 ---> 1/64

Part-b) axial (AA), dwarf stem (tt) and round seeds (RR)

1/4 * 1/4 * 1/4 --> 1/64

Part-c: axial flowers (AA), tall stem (TT) and round seeds (RR) (homozygous nature for all the three dominant traits)

AATTRR = 1/4 x 1/4 x 1/4 = 1/64