Re: How to get some feral genes without disturbing hive???
I am thinking you may be confused. I also suspect you are talking about the hogan trap out.
In the trap out you add eggs and open brood to the trap out in an attempt to lure the queen from the hive. this is likely to result in the bees that are in the box simply making a new queen for themselves. The eggs came from another colony most likely one of your own.
If you do manage to lure the queen out. there is no need to make another one as she will remain in the trap out and you already have a fully functioning colony with a fertile laying queen.
Here is one thread where someone is actually using the tap out.
Significant Minority vs Insignificant Majority, 20% of causes produce 80% of the effects.