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Briefly mention the contribution of T.H....

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

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Experimental verification of the chromosomal theory of inheritance was done by Thomas Hunt Morgan and his colleagues.
= He observed that the two genes under consideration in his experiment, did not segregate independently as in the case of characters studied by Mendel.
= It led to discovering the basis for the variation that are produced during sexual reproduction.
= Morgan carried out various dihybrid crosses in Drosophila with the genes that were sex linked. i.e. the genes present in X-chromosome.
= He wrote a book .Theory of gene. and was awarded Noble Prize in 1933.
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