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12th Standard English Medium Biology (Botany) Subject Classical Genetics Creative 1 Mark Questions with Solution Part - II

12th Standard

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Biology

Time : 01:00:00 Hrs
Total Marks : 5

    1 Marks

    5 x 1 = 5
  1. Identify the incorrect statement

    (a)

    In incomplete dominance, the traits are blended not the genes

    (b)

    Incomplete dominance is noticed in Mirabilis jalapa by Carl Correns

    (c)

    It is a type of Intragenic gene interaction

    (d)

    Incomplete dominance F2 ratio is 1 : 3 : 1

  2. When a single gene influences multiple traits then the phenomenon is called ____________

    (a)

    Pleiotropy

    (b)

    Polygenic inheritance

    (c)

    Epistasis

    (d)

    Atavism

  3. Ratio of recessive epistasis is ___________

    (a)

    12: 3 : 1

    (b)

    9: 7

    (c)

    9: 3 : 4

    (d)

    9: 6 : 1

  4. Identify the allelic interaction

    (a)

    Dominant epistasis

    (b)

    Co-dominance

    (c)

    Recessive epistasis

    (d)

    Duplicate genes

  5. Factor hypothesis was proposed by _________

    (a)

    Reginald Punnett

    (b)

    W. Bateson

    (c)

    Gregor Mendel

    (d)

    Carl Correns

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