Determine the genotype of tomato plants if, when crossing them, 50% of hybrids with dissected (A)

Determine the genotype of tomato plants if, when crossing them, 50% of hybrids with dissected (A) and 50% with whole leaves were formed.

Given: A – dissected leaves (dominant), and – whole leaves (recessive). Since after crossing the following hybrids of the first generation were obtained: 50% with dissected leaves and 50% with whole leaves. Consequently, one of the parents is heterozygous with the next genotype Aa and forms two types of gametes A and a; the other is homozygous with the next genotype aa and forms one gamete species a. After crossing, the following hybrids with genotypes Aa and aa are formed in a one-to-one ratio, that is, 50% to 50%.