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DNA/Chromosome Staining Lab Activity
DNA/Chromosome Staining Lab Activity (Product Code: SLE/EB/13) is a mitosis practical kit used to stain and squash preserved plant root tips so that students can see chromosomes in every stage of cell division in school and college biology labs. Each student prepares an individual slide, and the kit holds enough material for 30 students. It is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India, as a staining kit for biology labs that want real, student-made preparations.
Specifications
| Parameter | Detail |
|---|---|
| Specimen material | Specially grown and preserved plant root tips (included) |
| Preparation of material | Grown and harvested under specific conditions to ensure maximum mitotic activity at the time of preservation |
| Expected result | Multiple examples of every stage of mitosis on each microscope slide prepared |
| Student procedure | Prepare and stain samples, then perform a cell squash for microscopic observation |
| Skills taught | Cell division; tissue staining; microscopic observation |
| Quantity | Enough material for 30 students working individually |
| Shelf life | Shelf life depends on the chemical, its grade and storage conditions; ask us for the expiry date of the batch you are quoted |
| Product code | SLE/EB/13 |
| Supplied by | Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India |
What Is the DNA/Chromosome Staining Activity Used For?
It is used to let students find mitosis for themselves rather than on a bought slide. After a short demonstration, each student takes a root tip, stains it, places it on a slide under a coverslip and presses down gently to spread the cells into a single layer — the squash. At low power they locate the region of dividing cells, then move to higher magnification to pick out prophase, metaphase, anaphase and telophase. Counting how many cells sit in each stage gives a simple estimate of how long each phase lasts relative to the others.
Because the root tips were harvested at peak mitotic activity, every slide should show several examples of each stage, even for first-time students. Squash preparations are temporary, so it helps to compare them with permanent reference slides; this kind of temporary slides biology kit also leaves time in the lesson for students to sketch and label what they find.
Supplier
Jain Scientific Equipments Private Limited, the company behind the ScienceLab name in Ambala, Haryana, India, supplies this staining activity along with the slides, coverslips and stains that teachers often add to a mitosis practical. You can read more on our company profile.
Related Laboratory Equipment
Items that support the staining and viewing steps of this activity:
- Mitosis & Meiosis Set, Microscope Slides — permanent prepared slides to compare with the students' own squashes.
- Plain Slides — extra slides for repeat squashes.
- Coverslips — needed to cover and press each root-tip preparation.
- Acetocarmine (Nucleic Acid) — a chromosome stain widely used for root-tip squashes in school labs.
- Binocular Microscope — comfortable two-eye viewing for the high-power search for mitotic stages.
Discover more practical kits in Biology Kits.
Frequently Asked Questions
What plant material comes with the DNA/Chromosome Staining Lab Activity?
The DNA/Chromosome Staining Lab Activity includes specially grown and preserved plant root tips, harvested under conditions chosen to give maximum mitotic activity at the time of preservation, so every slide shows several examples of each stage.
How many students can one DNA/Chromosome Staining Lab Activity serve?
One DNA/Chromosome Staining Lab Activity contains enough material for 30 students working individually, with each student preparing, staining and squashing a root tip on his or her own microscope slide.
Is the stain included in the DNA/Chromosome Staining Lab Activity?
Students stain their own samples as part of the DNA/Chromosome Staining Lab Activity. Please contact us to confirm which stain, and how much of it, is supplied in the current kit before you plan the practical.
What microscope does the DNA/Chromosome Staining Lab Activity need?
The DNA/Chromosome Staining Lab Activity needs a compound microscope with a high-power objective, because chromosomes must be seen clearly enough for students to tell prophase, metaphase, anaphase and telophase apart.
Can the slides made in the DNA/Chromosome Staining Lab Activity be kept?
Squash preparations from the DNA/Chromosome Staining Lab Activity are temporary and should be examined on the day they are made. For a permanent record, pair the activity with prepared mitosis slides or photograph the clearest fields.
How long do the root tips and stain keep?
No fixed period is stated for the DNA/Chromosome Staining Lab Activity, because shelf life depends on the chemical, its grade and storage conditions. Ask us for the expiry date of the batch you are quoted and keep the container sealed.
Who supplies the DNA/Chromosome Staining Lab Activity?
Jain Scientific Equipments Pvt Ltd, trading as ScienceLab from Ambala, Haryana, India, supplies the DNA/Chromosome Staining Lab Activity to schools and colleges, and quotes for whole year groups in India and international markets.
Request a Quote
To plan a mitosis practical with the DNA/Chromosome Staining Lab Activity, ask us for a quotation or place it in the enquiry cart with slides and coverslips.
Last updated: 24 September 2026
