Chromosomal theory of inheritance was proposed by

Experimental verification of the chromosomal theory of inheritance was done by

Briefly mention the contribution of $T.H.$ Morgan in genetics.

Mendel was successful in discovering the principles of inheritance as

A person has to perform crosses for the purpose of studying inheritance of a few traits/characters. What should be the criteria for selecting the organisms ?

Which one of the following was the rediscoverer of Mendel's work?