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Botany - Classical Genetics Three Marks Questions

12th Standard

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Biology

Time : 00:45:00 Hrs
Total Marks : 30
    10 x 3 = 30
  1. What are multiple alleles?

  2. What are the reasons for Mendel’s successes in his breeding experiment?

  3. Explain the law of dominance in monohybrid cross.

  4. Differentiate incomplete dominance and codominance.

  5. What is meant by cytoplasmic inheritance

  6. Point out any three importance of variations.

  7. List out the reasons for the selection of pea plant by Mendel.

  8. Define trihybrid cross. Mention its F 2 phenotypic ratio.

  9. Define co-dominance. How it is proved by using Gossypium species?

  10. In the chart given below, 'AA' are the genes located in a chromosome of Pisum sativum.
    Observe the chart and mention the genetic phenomenon does it indicates.

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