Answer:
The second filial generation or the F2 generation
Explanation:
You didn't attach the problem. Without it, I can't help you. Sorry.
https://documentcloud.adobe.com/link/track?uri=urn%3Aaaid%3Ascds%3AUS%3Aac7c68f3-8ce8-4b67-8bd4-3c08dbe79de2.
Here is a link for the worked out problems.
Hope that helps :)
It is called pili to transfer