Ibrahim of Dadinkowa, Yamaltu/Deba Local Government, Gombe State had on arraignment pleaded not guilty to the charge.
Earlier, reading the police First Information Report, Dalaky Wanma, the court clerk, said the accused committed the offences several times between December 2018 and January 2019.
He said Ibrahim forcefully had s.e.x with his 17-year-old biological daughter (name withheld) and impregnated her in his house.
The clerk said the offence is contrary to sections 390 and 282 of penal code.
The Police Prosecutor, Sgt. Bako Shekari, also told the court that police had just commenced investigations into the matter.
He, therefore, asked the court for an adjournment to enable police complete investigations and seek legal advice from the Ministry of Justice.