An individual heterozygous for a trait and an individual homozygous recessive for the trait are crossed?

Question

and produce many offspring that are
all the same genotype.
of two different phenotypes.
of three different phenotypes.
all the same phenotype.

Answer 1

You would get two different genotypes and phenotypes.
If you were crossing a tall, heterozygous plant, Tt with a short plant, tt, you would get 50% Tt and 50% tt.