Name the scientists who proposed chromosomal theory of inheritance?

Experimental verification of the chromosomal theory of Inheritance on Drosophila melanogaster led to discovering the basis for variation that sexual reproduction produced. Name the scientist who formulated chromosome theory of inheritance.

Experimental verification of the chromosomal theory of Inheritance on Drosophila melanogaster led to discovering the basis for variation that sexual reproduction produced. Why did he select Drosophila melanogaster for his studies?

Atoms of elements are made up mainly of protons, electrons and neutrons. a) Which of these particles are present in the nucleus of atoms? b) The discovery of which particle is related to the scientist .J. J. Thomson? c) Name the positively. charged particles? d) Name the scientist who proved that most of. the mass of an atom is concentrated in the nucleus?