Neurospora is an ideal organism to study the effects of genetic mutations because of several reasons. What is one of these?

A) Neurospora is a small mammal.
B) Neurospora grows as a diploid organism.
C) Neurospora requires a medium supplemented with only a few nutrients that it cannot manufacture on its own.
D) Neurospora mutant strains that cannot make a particular amino acid can still grow if that amino acid is added to the growth medium.
E) Neurospora contains homologous chromosomes that are easily viewed with a light microscope.