habían clonado
-they/you had cloned
Past perfect ellos/ellas/ustedes conjugation of clonar.

clonar

En 1997 los científicos en el Instituto Roslin en Escocia anunciaron que habían clonado satisfactoriamente a una oveja.
In 1997 scientists at the Roslin Institute in Scotland announced that they had successfully cloned a sheep.
Entretanto, se habían clonado los genes genómicos correspondientes a los tres receptores (estrógenos (PR), progestágenos (PR) y andrógenos (AR)).
In the mean time, the genomic genes for all three receptors (oestrogens (ER), progestins (PR) and androgens (AR)) had been cloned.
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