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Question

Polyploidy arises due to change in the

This question was previously asked in
SSC CGL 2016 (Tier 1) Previous Year Question Paper (11-Sep-2016) (Shift 2)
The correct answer is

number of chromosomes

Polyploidy occurs due to a change in the number of chromosomes.

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Important Questions from Heredity and Evolution

  1. At present, scientists can determine the arrangement or relative positions of genes or DNA sequences on a chromosome. How does this knowledge benefit us? 

    1) It is possible to know the pedigree of livestock. 

    2) It is possible to understand the causes of all human diseases. 

    3) It is possible to develop disease-resistant animal breeds. 

    Which of the statements given above is/are correct?

  2. The number of chromosomes become half in a daughter cell by the process of:

  3. What are the different forms of a gene called?
  4. Every trait in an organism is influenced by which of the following?

  5. What is the term used for alternative forms of a gene?
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