Which of the following shows heterozygous dominant?

Which of the following shows homozygous recessive?

If tall (T) is dominant over short (t), what would a heterozygous tall person's alleles look like?

If tall (T) is dominant over short (t), what would a short person's alleles look like?

If round (R) seeds are dominant over wrinkled (r) seeds, what would a heterozygous round seed's alleles be?

If round (R) seeds are dominant over wrinkled (r) seeds, show the cross between a homozygous round and wrinkled seed.

If purple (P) flowers are dominant to white (p) flowers, then what percentage of the offspring are white flowers?

If purple (P) flowers are dominant to white (p) flowers, then what percentage of the offspring are purple flowers?

If purple (P) flowers are dominant to white (p) flowers, then what percentage of the offspring homozygous purple?

If purple (P) flowers are dominant to white (p) flowers, then what percentage of the offspring heterozygous purple?