9. Briefly mention the contribution of T.H. Morgan in genetics.
Contribution of T.H. Morgan in genetics
1. T.H Morgan discovered the chromosomal theory of inheritance.
2. He carried out many dihybrid crosses on Drosophila to study sex-linked disease.
3. Morgan discovered the phenomena called linkage to define the physical association of genes and recombination to describe the origin of non-parental gene combination.