BMN/HB133 Meiosis Model: Reading a 9-Part Cell Division Sequence

Short answer: BMN/HB133 is a nine-part meiosis teaching model. Its published sequence follows the process from the first appearance of chromosomes in the nucleus, through a series of structural changes, to the division into two daughter nuclei — and then on to two new daughter cells, with cytokinesis shown as the formation of a new cell wall between the two new nuclei. That is the value of a nine-part model: cell division is a process, and a process can only be taught if it is broken into ordered, physical steps.

Key takeaways

• Nine parts, one continuous process. The set is sequenced, so students rebuild the order rather than memorise a single diagram.
• Starts inside the nucleus. The first step is the appearance of chromosomes in the nucleus — not the outer shape of the cell.
• Two nuclei, then two cells. The sequence distinguishes division into two daughter nuclei from the final separation into two daughter cells.
• Cytokinesis is shown physically. The formation of a new cell wall between the two new nuclei is modelled as a step in its own right.
• Pairs with the mitosis set. The catalogue's BMN/HB134 mitotic model (8 parts) covers mitosis, so the two together cover both division pathways.

The published sequence, step by step

Why a sequenced model beats a labelled diagram here

Cell division fails as a learning topic for a structural reason: students see one picture of chromosomes and one picture of two cells, and the connection between them stays abstract. A nine-part set replaces that gap with nine objects the student has to put in order — which converts recall into a reconstruction task.

The measurable benefit of physical models has been tested directly. A meta-analysis of comparative studies found a consistent advantage for physical models in teaching anatomy [1], and a randomised study found that three-dimensional physical models outperformed two-dimensional computer presentations for learning anatomical structure [2]. For a topic as order-dependent as division, a physical sequence does work that no single illustration can.

How to run it in class

1. Give the parts out shuffled. Do not present them in order; ask the group to reconstruct the sequence.
2. Ask for the first event. The starting point is chromosome appearance in the nucleus — make students justify the placement.
3. Separate the two milestones. Ask when the division into two nuclei has happened, and when the two cells actually exist. Most errors appear here.
4. Focus on cytokinesis. Point at the new cell wall forming between the two new nuclei and ask why it forms there.
5. Compare with mitosis. Run the same exercise with the BMN/HB134 mitotic set and ask what differs in the outcome.
6. Finish from memory. Remove the parts and ask for the sequence in words.

Before you order

• Part count and mounting. Confirm the nine parts and whether a stand or base is included.
• Labelling. Ask whether the parts carry printed stage labels; if not, plan your own numbering.
• Set with the mitotic model. Buying BMN/HB133 and BMN/HB134 together typically covers the whole division curriculum — ask for them in one enquiry.
• Quantity for pricing. The published reference price is subject to order quantity, so state the number of sets you need.

Send these questions to chinonmed@adaanatomy.com and we will answer each point and attach the current supply data.

FAQ

Q1. What is BMN/HB133?
It is a nine-part cell division teaching model. The published description presents it as a meiosis model that follows the division sequence through to two daughter cells.

Q2. How many parts does it have?
Nine.

Q3. Where does the sequence start?
With the appearance of chromosomes in the nucleus, followed by a series of structural changes.

Q4. What does it show about cytokinesis?
That a new cell wall forms between the two new daughter nuclei — the step that separates one mother cell into two daughter cells.

Q5. Is there a matching mitosis model?
Yes. The catalogue lists BMN/HB134, an eight-part mitotic model, as the companion product covering mitosis.

Q6. How do I get a quotation?
Email chinonmed@adaanatomy.com with the model (BMN/HB133), the number of sets and your destination port. The published reference price is subject to order quantity.

Request a quotation

Write to chinonmed@adaanatomy.com for the current price and availability of BMN/HB133. If your biology course covers both division pathways, ask for BMN/HB134 in the same message so the mitotic and meiosis sets ship as one order.

References

1. The effectiveness of physical models in teaching anatomy: a meta-analysis of comparative studies. Advances in Health Sciences Education. 2016.
2. The superiority of three-dimensional physical models to two-dimensional computer presentations in anatomy learning. Medical Education. 2018.