X-chromosome or X-body was first observed by. | vedclass

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(C) The $X$-body was first observed by German biologist Hermann Henking in $1891$ while studying spermatogenesis in the firebug, $Pyrrhocoris$ $apteru

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Henking $(1891)$

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(C) The $X$-body was first observed by German biologist Hermann Henking in $1891$ while studying spermatogenesis in the firebug, $Pyrrhocoris$ $apterus$. He noticed a specific nuclear structure that segregated into only half of the sperm cells, which he termed the '$X$-body'. Later, this structure was identified as the $X$-chromosome, which plays a crucial role in sex determination.

$X$-chromosome or $X$-body was first observed by.............

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