Question

A pure tall pea was crossed with a pure dwarf pea. All the plants of F₁ were found to be tall. This is due to:

Options

• law of dominance

• disappearance of factor for dwarfness in F₁ generation

• segregation of factors

• co-ordination

Answer 1

law of dominance

Explanation:

Only one character or factor expresses itself in the F₁ generation, according to the law of dominance, and this character is called dominant. As a result, the main attribute in this cross is tallness, which is present in all plants of the F₁ generation.