Question

In a mendelian monohybrid cross, which generation is always completely heterozygous?

Options

• F₁ generation

• F₂ generation

• F₃ generation

• P generation

Answer 1

F₁ generation

Explanation:

In a Mendelian monohybrid cross, the F₁ generation is always completely heterozygous because it is produced by crossing two pure-breeding (homozygous) parents with contrasting traits. Thus, all F₁ offspring carry one dominant and one recessive allele, making them heterozygous.