Who had proposed the chromosomal theory of inheritance?

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 $B$.

.............. noted that the behavior of chromosomes was parallel to the behavior of genes and used chromosome movement to explain Mendel's laws.

State the contribution of the following scientists: Walter Sutton and Boveri $(1902)$.

Who proposed the Chromosomal Theory of Inheritance,which states that chromosomes are the vehicles of heredity?

State a comparison between the behaviour of chromosomes and genes.