Furthermore, the tinman/Nkx2-5 gene is expressed very early in cells that will become the heart in both Drosophila (dorsally) and chordates (ventrally).
Ademais, o xene tinman/Nkx2-5 exprésase moi cedo en células que se converterán no corazón tanto en Drosophila (dorsalmente) coma en cordados (ventralmente).