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Darwin's theory of pangenesis proposes...

Darwin's theory of pangenesis proposes

A

Development of useful organs and degeneration of uselss organs

B

Development of an organ due to will power

C

Increase in organ size with age

D

Every organ of the body produces minute hereditary particles called gemmules, carried through the blood from every organ and collected together into gametes.

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The correct Answer is:
D
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