Cross a heterozygous plant with a plant that has wrinkled seeds.

Round seeds are dominant to wrinkled seeds.

Explanation:

What would be the parent genotypes if you crossed a heterozygous with a wrinkled seed plant? Round seeds are dominant to wrinkled seeds. What percentage of the offspring would be round if you crossed a wrinkled seed plant with a heterozygous plant? Round seeds are dominant to wrinkled seeds.

not sure if this is what you'r looking for nnew= nold