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Botany - Classical Genetics 2 Mark Creative Question Paper With Answer Key

12th Standard

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Biology

Time : 01:00:00 Hrs
Total Marks : 30

    2 Marks

    15 x 2 = 30
  1. Who coined the term genetics? Also, define it.

  2. Name the four major subdisciplines of genetics.

  3. Explain Heredity and variations

  4. Mendel's theory is a particulate theory - justify

  5. Which organism was studied by Gregor Mendel? How many traits does he considered on his experiments

  6. Name any four characters of pisum sativum that was studied by Mendel.

  7. Define the terms
    (i) Emasculation
    (ii) Alleles

  8. Name the first and second law of Mendel.

  9. What is genotype & phenotype?

  10. Write the phenotypic and genotypic ratio of monohybrid cross.

  11. Define test cross.

  12. State the law of independent assortment.

  13. Give the phenotypic ratio of
    (a) Dihybrid cross
    (b) Dihybrid test cross

  14. RrYy(Ft hybrid) X rryy (recessive parent). Name the type of cross. Mention its ratio.

  15. How many types of gametes are produced by a dihybrid plant? If the same plant is self-fertilized, how many second-generation offsprings are developed?

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