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Everyday Science · Cell Biology & Microorganisms · page 12 of 36

DNA, Genes & Genetics MCQs with Answers

Includes 12 past paper MCQs (marked).

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DNA, Genes & Genetics MCQs (111–120)

10 MCQs with answers and a short one-liner. Hide answers to test yourself.

Past paper MCQs in this chapter · See all past papers

Answers and one-liners are hidden. Tap an option to check that question, or show all.

  1. 111.

    Which is the form of appearance of a trait?

  2. 112.

    Past Paper MCQ

    Humans have pairs of chromosomes.

  3. 113.

    In case of asexual reproduction, which type of variations do not exist in the progeny?

  4. 114.

    A chromosome with an arm on one side only is ?

  5. 115.

    The process that converts a normal cell to a cancer cell is called?

  6. 116.

    If "RRYY" is crossed with "rryy", what will be the ratio of "RRYY" to "rryy" in F2 generation?

  7. 117.

    Pea has _ pairs of homologous chromosomes.

  8. 118.

    During an individual organism's lifetime, which of these is most likely to help the organism respond properly to changes in its environment?

  9. 119.

    The sugar present in DNA is?

  10. 120.

    The exact duplication of DNA is called ?

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