A Dihybrid Cross of Two Contrasting Pure-Breeding Organisms

Multiple Choice

A dihybrid cross of two contrasting pure-breeding organisms

A) produces homozygous offspring.
B) must produce a phenotype different from either pure-breeding parent.
C) results in the disappearance of the recessive traits in the first generation.
D) takes place only in the laboratory under precisely controlled conditions.
E) will result in the immediate formation of another pure-breeding variety.