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 long-eared parent's genotype must be Ee.
The long-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