After being wounded in the kidnapping, Doug takes some time off to recover. Kirill keeps coming to visit him, but only so that he can get help with the pile of reports that’s due.
But very rarely they have an 
effect on the genes themselves,
لكن من النّادر جدًّا أن يكون لها تأثير 
،على الجينات بحدّ ذاتها
Pero en casos raros,
tienen efectos en los mismos genes
Pero en casos raros,
tienen efectos en los mismos genes
Plus rarement,
elles influencent les gènes,
Ma raramente hanno un effetto sui geni stessi
Ainda que raramente elas
surtam efeito nos genes em si
Но изредка они оказывают 
воздействие на гены