Question

Which of the following may be used to obtain an F₂ generation?
(a) allowing flowers on a parent plant to be self-pollinated
(b) allowing flowers on an F₁ plant to be self-pollinated
(c) cross-pollinating an F₁ plant with a parent plant
(d) cross-pollinating two parent plants

Answer 1

 allowing flowers on a parent plant to be self-pollinated
F₂ generation can be obtained by allowing flowers on the plants of F₁ generation to be self-pollinated.