Use Probability for Inheritance Predictions Practice Test

In a plant, red fruit (A) is dominant over yellow fruit (a). Two heterozygous plants are crossed: $Aa \times Aa$. What is the probability an offspring will be heterozygous ($Aa$)?

In rabbits, black fur (B) is dominant over white fur (b). A heterozygous black rabbit is crossed with a white rabbit: $Bb \times bb$. What is the probability an offspring will have genotype $Bb$?