A darkly stained body present in the somatic cells of human female but absent from those of human male is............

Explanation

**Step-by-Step Solution:**

1. **Understanding Somatic Cells**: Begin by defining somatic cells. Somatic cells are any cells in the body that are not gametes (sex cells). They undergo mitosis for growth and repair.

2. **Identifying the Gender Differences**: Recognize that somatic cells exist in both males and females. However, there are certain features that distinguish the two genders at the cellular level.

3. **Observing the Darkly Stained Body**: In human females, there is a specific structure that can be observed in somatic cells. This structure is darkly stained when viewed under a microscope.

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