In ladybugs, the allele for red color (R) is incompletely dominant to the allele for yellow color (r). Individuals with the genotype Rr are orange. What is the predicted phenotypic ratio if two orange ladybugs mate?

Humans can have type A, B, AB, or O blood. A and B are codominant to each other and dominant to O. If a woman with type AB blood and a man with type O blood have a baby, what is the chance the baby will have type O blood?

Humans can have type A, B, AB, or O blood. A and B are codominant to each other and dominant to O. If a woman with type A blood and a man with type B blood have a baby with type O blood, was the woman necessarily unfaithful (cheated)?

In cacti, plants can have long spines (LL), short spines (SS) or both long and short (LS). If a long spined cactus is crossed with a short spined cactus, what are the predicted phenotypes of the offspring?

In peas, tall (T) and round (R) are dominant to short (t) and wrinkled (r). A gardener crosses a tall round pea plant (TTRr) with a short wrinkle pea plant (ttrr). Which statement describes the potential offspring?

Mice can have black fur (B) or white fur (b). They can also have long tails (L) or short tails (l). What percentage of the offspring from a BbLl x bbss cross would be heterozygous for both traits?

Corn can be purple (P) or yellow (p). They can produce wrinkled (W) or smooth (w) kernels. If corn with the genotype PPWw are crossed with corn that is ppWW, what percentage of the offspring will be expected to have the PPWw allele combination?

If several roses with the genotype rrTt are crossed with roses with the genotype RRtt, what percentage of the offspring will be dominant for both traits?

What percentage of the offspring from a AaBb x aabb cross would be expected to be homozygous recessive for both traits?

Red (R) is dominant to black (r), and small (S) is dominant to large (s). If two RrSs organisms are crossed, what will the predicted outcome be?

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