1.

Experimental verification of the chromosomal theory of inheritance on Drosophila melanogaster led to discovering the basis for variation that sexual reproduction produced.1. Name the scientist who formulated chromosome theory of inheritance.2. Who expanded it by experimental verification?3. Why did he select Drosophila melanogaster for his studies?

Answer»

1. Sutton and Bovery

2. Thomas Hunt Morgan

3. Drosophila was very suitable for his studies because

  • They could be grown on simple synthetic medium. 
  • Complete life cycle in 2 weeks.
  • A single mating could produce a large progeny.
  • Male and female are easily distinguishable
  • Many hereditary variations can be seen with low power microscope


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