Question

In an experiment on Pisum sativum, Mendel crossed a pure white flowered pea plant with pure purple flowered plant. The first generation of hybrids from the cross should show ____________.

Options

• 50% white flowered and 50% purple flowered plants.

• 75% purple flowered and 25% white flowered plants

• all purple flowered plants.

• all white flowered plants.

Answer 1

In an experiment on Pisum sativum, Mendel crossed a pure white flowered pea plant with pure purple flowered plant. The first generation of hybrids from the cross should show all purple flowered plants.

Explanation:

In the F₁ generation, the dominant trait is expressed.

R generation : RR (Purple) × rr (white)