genetisillä
Genetisillä is a term that appears to be a Finnish grammatical form. Specifically, it is the adessive plural of the word "geneettinen." In Finnish, the adessive case typically indicates location on or at, possession, or means. When applied to "geneettinen," which translates to "genetic," the form "genetisillä" would therefore suggest something related to "by genetic means," "with genetic [factors]," or "on genetic [levels]."
The plural aspect indicates that this applies to multiple genetic factors or instances. For example, in a