What did Gregor Mendel investigate in pea plants?
He measured seven pea characteristics: Color and smoothness of the seeds – grey and round or white and wrinkled Color of the cotyledons (part of the embryo within the seed) – yellow or green Color of the flowers – white or violet Shape of the pods – full or constricted Color of unripe pods – yellow or green Position of flowers and pods on the stems Height of the plants – short or tall