Heredity Two Marks Questions

10th Standard

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Science

Time : 00:45:00 Hrs
Total Marks : 20
    10 x 2 = 20
  1. Name the conditions when both the alleles are identical.

  2. A garden pea plant produces axial white flowers. Another of the same species produced terminal violet flowers. Identify the dominant trait.

  3. What is the name given to the segments of DNA, which are responsible for the inheritance of a particular character?

  4. Name the bond which binds the nucleotides in a DNA.

  5. State the law of purity of gametes or the law of segregation.

  6. Explain the role of Okazaki fragments

  7. Write a note on euploidy.

  8. State the Law of Independent Assortment

  9. Mention the symptoms seen in the case of Down's syndrome.

  10. Why do all the gametes formed in humanfemales have an X - chromosome?

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