A true-breeding long-eared owl mates with a true-breeding short-eared owl and all their many, many offspring were also short-eared. Ear length in owls is controlled by a single gene, E. What can you conclude about the parents’ genotypes? Choose all correct answers. The short-eared parent’s genotype must be ee. The short-eared parent’s genotype must be EE. The short-eared parent’s genotype must be Ee. The long-eared parent’s genotype must be Ee. The long-eared parent’s genotype must be ee. The long-eared parent’s genotype must be EE.