If a plant variety is true-breeding for a dominant trait, then __________.
answer choices
a. the variety is unable to mutate
b. if the plant were allowed to self-pollinate over many generations, all of the y would have the dominant trait
c. if the plant were crossed with a heterozygote, one-half of the progeny would show the dominant trait, and one-half would show the recessive trait
d. if the plant were allowed to self-pollinate, the dominant and recessive traits would consistently appear in a 3:1 ratio among the progeny