Large-eyedness is denoted by the letter E (a capital letter indicates a dominant feature). Small-eyedness is marked with the letter e.

CASE 1: The father has the alleles EE, whereas the mother has the alleles ee.
The children are
large-eyed (Ee).
small-eyed (ee) .
small-eyed (eE).

CASE 2: The father is Ee and the mother is Ee.
The father is
large-eyed.
small-eyed
The mother is
large-eyed
small-eyed
It is probably that over half of the children from these parents are
large-eyed.
small-eyed.
The children of these parents
can include no large-eyed individuals.
can include no small-eyed individuals
can include both large-eyed and small-eyed individuals.