The nuclear structure observed by Hanking in $50 %$ of the insect sperms after spermatogenesis was.

X-body

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Autosome

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Y-chromosome

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Nucleolus

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Polar body

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Solution

The correct option is A X-body
Answer is option (A) X-body.
Hanking (1896), while working on squash bug (pyrrocoris) and other insects traced a nuclear structure all through the spermatogenesis and observed that 50% of sperms received this structure and other 50% did not. Hanking called it X-body but could not explain its significance.

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