Chromosomal theory of inheritance was proposed by

The important things to remember are that chromosomes as well as genes occur in ...$A$.... The two alleles of a gene pair are located on homologous sites on ...$B$... chromosomes. Choose the correct choice for $A$ and $B$.

Which of the following statements regarding the chromosomal theory of inheritance is incorrect?

Experimental verification of the chromosomal theory of inheritance was given by $:-$

The chromosomal theory of inheritance was proposed by:

Describe the chromosomal theory of inheritance.