Answer:
It contains genes necessary for the formation of the pilus
Explanation:
During Conjugation genetic material is transferred from one bacterial cell (the donor) to another (the recipient) in contact. The pilli (singular. pilus) is the structure used to make contact.
The donor is termed F+, while the recipient is termed F-
The F factor contains genes for the formation of the pilus. The F factor is housed in the donor (F+).