Which of the following groups of biological evidence usually all contain nucleated cells?
Question and options
Which of the following groups of biological evidence usually all contain nucleated cells?
- Saliva (buccal cells), hair shaft and serum
- Hair root, hair shaft and mature red cells
- Blood, serum and mature red cells
- Saliva (buccal cells), hair root and blood
Answer and explanation
Correct answer: D - Saliva (buccal cells), hair root and blood
Saliva carries nucleated buccal epithelial cells, hair roots contain nucleated follicular cells, and blood contains nucleated white cells. A hair shaft is keratinised with no living nuclei, serum is cell-free, and mature red cells have lost their nuclei.
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