Q108 / 120 · NEET 2010 (Mains) · Zoology

The fruit fly, Drosophila melanogaster was found to be very suitable for experimental verification of chromosomal theory of inheritance by Morgan and his colleagues because

  • A
    it reproduces parthenogenetically
  • B
    a single mating produces two young flies
  • C
    smaller female is easily recognisable from larger male
  • Correct answer
    D
    it completes life cycle in about two weeks

Solution

The fruit fly, Drosophila melanogaster was found to be very suitable for experimental verification of chromosomal theory of inheritance by Morgan and his colleagues because - it completes its life cycle in a very short period (ie, about two weeks). - a single mating produces many offsprings. - larger female is easily recognisable from smaller male.

Hence, the correct answer is option: 'D'.

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