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9. Briefly mention the contribution of T.H. Morgan in genetics.
Answers (1)
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 combinations.
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