Answer:
The correct answer would be "The hybrid offspring of a cross are the P1 generation".
The offspring produced in a cross are referred to as first filial generation or F₁ generation.
The organisms which are cross-breed in the above cross are termed as parent generation or P.
The offspring produced by crossing the organisms of F₁ generation is termed as second filial generation or F₂ generation.
The same is mentioned in the figure attached below.