In the experimental verification of some insects by Henking, he noticed that

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X body is a chromosome

50% of ova of insects are without X body

100% of sperm of insects are with the X body

the sperm may or may not receive X body during spermatogenesis

answer is D.

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Detailed Solution

Henking (1891) could trace a specific nuclear structure all through spermatogenesis in a few insects, and it was also observed by him that 50 per cent of the sperm received this structure after spermatogenesis, whereas the other 50 per cent sperm did not receive it.

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