The Bicoid Protein in Fruit Flies Specifies Anterior Development

The Bicoid protein in fruit flies specifies anterior development. In the absence of Bicoid protein in an egg, the embryo will develop two tails. The bcd^- mutation is recessive and exhibits a maternal effect. Which of the following CORRECTLY describes the embryos produced from a cross between a bcd⁺/ bcd^- male and a bcd^-/bcd^- female?

A) All embryos will be normal.
B) All embryos will have two tails.
C) Three-fourths of the embryos will have two tails.
D) One-half of the embryos will have two tails.
E) One-fourth of the embryos will have two tails.