The Barr body is observed in

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(B) The Barr body is a condensed,inactive $X$ chromosome found in the nuclei of somatic cells of female mammals. In human blood smears,it appears as a

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Neutrophils of females

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(B) The Barr body is a condensed,inactive $X$ chromosome found in the nuclei of somatic cells of female mammals. In human blood smears,it appears as a small,drumstick-shaped appendage attached to the nucleus of neutrophils in females. It is observed in approximately $3$ to $5\%$ of neutrophils in females,but it is absent in males.

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