Digitalis purpurea M gene determines the production of a purple pigment, a type of anthocyanin. The m gene does not produce this pigment. The D gene is an enhancer of the M gene, and leads it to produce a big amount of the pigment. The d gene does not enhance the M gene, and only a small amount of pigment is produced. Lastly, the W gene makes the pigment be deposited only in some spots, while the w gene allows the pigment to be spread all over the flower. This combination leads to four phenotypes: Digitalis purpurea Digitalis purpurea (foxglove, common foxglove,
Nothing comes from nothing the song "Something Good", which contains the lyrics: "Nothing comes from nothing / nothing ever could". Although the song is devoid of intentional metaphysical connotations, Maria's time in Nonnberg Abbey would have familiarized her with the phrase, which is used in Catholic philosophy to explain God's gratuitous act of , namely, that only the source of all being can give creation its existence. Earlier in the film, in the well-known song "Maria", Maria's fellow nuns lament that there is "many a thing she ought to understand" and that she is "not an asset to the abbey". It is unclear if