Compare mitosis and meiosis in simplified models
The idea
In the simplified diploid model, mitosis usually preserves chromosome number in two daughter cells.
Step by step
- In the simplified diploid model, mitosis usually preserves chromosome number in two daughter cells.
- Meiosis produces haploid cells with half the starting diploid chromosome number.
- Chromosome copying happens before division; do not confuse copying DNA with doubling the final daughter-cell count.
Example
A diploid cell divides into two daughter cells that retain the original chromosome number. Which process fits?
Answer
mitosis
Mitosis usually preserves chromosome number in the daughter cells.
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5 questionsTry it together
Use counters to model a 2n = 6 cell and compare chromosome numbers in products of mitosis and meiosis.
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