Question
What is a monohybrid cross? How did Mendel perform this cross?

Answer

Monohybrid cross: It is a cross where two forms of a single trait are crossed or hybridized.
Mendel performed this experiment on the pea plant. He crossed the true-breeding forms of tall and dwarf plants and obtained the hybrid progeny. This is called as first generation ($F_1$) offspring plant to self-pollinate and produced the second generation ($F_2$).

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