WBCS.LIVE practice question

In the monohybrid cross of Mendel, when a pure tall plant was Crossed with a dwarf plant, all the F1 progeny were tall, because of ______.

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Co-dominance
  2. Dominance
  3. Incomplete dominance
  4. Epistasis

Correct answer and explanation

Correct answer: Dominance

Explanation: āœ… Correct Answer: B) Dominance šŸ“š Explanation: According to Mendel's Law of Dominance, when two plants with contrasting traits (like tall and dwarf) are crossed, only the dominant trait (tall) appears in the first (F1) generation. The recessive trait (dwarf) is masked by the dominant one. It reappears in the next (F2) generation in a 3:1 ratio.