Translation of "Counterpart" in Spanish

The emotional heart intersects with its biological counterpart

es que el corazón emocional se cruza con su contraparte biológica

To a perpetrator, but only with a counterpart.

a un perpetrador, pero solo con una contraparte.

You had all of that, but no counterpart.

Tenías todo eso, pero ninguna contraparte.

If they don't have a counterpart to the DNA, fingerprint

Si no tienen una contraparte del ADN, la huella digital