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12th Standard English Medium Biology (Botany) Subject Chromosomal Basis of Inheritance Creative 3 Mark Questions with Solution Part - II

12th Standard

    Reg.No. :
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Biology

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

    3 Marks

    5 x 3 = 15
  1. Compare Mendelian factors with chromosome.

  2. Give a short note on incomplete linkage.

  3. What are the three types of synapsis? (or) Give the types of Synapsis.

  4. In Drosophila melanogaster, there are four pairs of chromosomes. If there occurs chromosomal aberrations resulting in trisomic and monnsomlc condition, what will be the chromosomal count? Write the correct chromosomal count against respective chromosomal aberration.

  5. Study the figures given below and answer the questions.

    Which type of cross produces higher recombinant percentage? Give reason in support of your answer.

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