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Question

Serial homology is exhibited by

A
Organs of same individual occupying different levels of the body
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B
Organs of different organisms with same function
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C
Appendages of various parts of prawn body
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D
Both A and C
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Solution

The correct option is D Both A and C
Serial homology is a special type of homology, defined by Owen as representative or repetitive relation in the segments of the same organism as in the lobster, where the parts follow each other in a straight line or series. Ernst Haeckel preferred the term "homotypy" for the same phenomenon.
Classical examples of serial homologies are the development of forelimbs and hind limbs of tetrapods and the iterative structure of the vertebrae. So, serial homology is exhibited by organs of same individual occupying different levels of the body and appendages of various parts of prawn body. Thus, option D is correct.

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