Choose the incorrect statement.

  • A
    Experimental verification of the chromosomal theory of inheritance was done by $T.H.$ Morgan and his colleagues.
  • B
    Morgan worked with the tiny fruit flies,$Drosophila$ $melanogaster$.
  • C
    $A$ single mating could produce a large number of progeny in fruit flies.
  • D
    $Drosophila$ $melanogaster$ has few types of hereditary variations that can be seen with a low-power microscope.

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