In Drosophila, production of eye color pigment requires a functional protein encoded by the white locus. Individuals with two copies of the w allele lack any eye color pigment; individuals with at least one wild-type allele have pigment. The bw allele at the brown locus produces a defective enzyme responsible for converting one type of pigment to another. Individuals with two bw alleles have brown eyes; individuals with at least one wild-type allele at the brown locus have normal red eyes (assuming that they have eye pigment). Which statement is true? a. a. bw is dominant to w.
b. w is dominant to bw.
c. The white locus is epistatic to (affects the expression of) the brown locus.
d. The brown locus is epistatic to (affects the expression of) the white locus.
e. bw and w are codominant.

hey bro i looked it up on google the structure of the eye-spot in euglena viridie, e. ehrenbergii, and phacus pyriyorme is not as franzé haa described it. the so-called “crystal body” and “lens bodies” were not found in any of the individuals of the species examined by me. as earlier observers have stated, the eye-spot consists simply of a mass of pigment granules arranged in a single layer, and probably embedded in a protoplasmic framework, but the latter could not be seen, and its presence was only inferred from the fact that the pigment granules must be held together in some way, thd the eye-spot as a whole is capable of expansion, and that the pigment granules can be separated from each other.

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mammal

explanation:

the answer is d.) homologous; have mammary glands