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12th Standard English Medium Biology (Botany) Subject Classical Genetics Creative 3 Mark Questions with Solution Part - I

12th Standard

    Reg.No. :
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Biology

Time : 01:00:00 Hrs
Total Marks : 15

    3 Marks

    5 x 3 = 15
  1. List out the reasons for the selection of pea plant by Mendel.

  2. How many types of gametes are produced by heterozygous dihybrid plant with a genotype RrYy? Write them.

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

  4. Mala is a genetic research student. She was given a plant to identify whether it is a homozygous or heterozygous for a particular trait. How will she proceed further?

  5. Give the F2 phenotypic ratio of
    a) Supplementary genes
    b) Complementary genes
    c) Dominant epistasis

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