This Question Relates to Mendel's Breeding Experiments with Peas

Multiple Choice

This question relates to Mendel's breeding experiments with peas. A true breeding plant producing smooth peas was crossed with a true-breeding plant producing wrinkled peas (cross 1) . The offspring of cross 1 all produced smooth peas. The offspring of cross 1 were then crossed with the wrinkled-pea parent (cross 2) . Which of the statements about the cross outcomes are true? Please select all that apply.

A) Half the offspring of cross 2 had smooth peas
B) All the offspring of cross 2 had smooth peas
C) All the offspring of cross 1 had the same genotype
D) The offspring of cross 2 had a 3:1 smooth:wrinkled ratio
E) The wrinkled allele is recessive