In high schools, mitosis and meiosis are the compulsory courses for students. But it is difficult for students to distinguish them because they look very similar. So how to tell the difference between them? Yuan Technology Limited developed these two item models to show their division courses.
1: Mitosis Model
The mitosis contains 8 models to show its whole dividing course. The 1st model shows the normal nucleus model. The 2nd and 3rd models show that there is not homologous chromosomes changing which means mitosis. From the 4th model, it begins to demonstrate the mitosis course. Centromere is not on the metaphase plate which is pre-period of mitosis, then centromeres are lined regularly on the metaphase plate which is middle period of mitosis. The 7th model shows the new two nucleus are still not created which is anterior period of mitosis and the last model shows the new two nucleus have been finished which is end period of mitosis. This is the whole developing course of mitosis.
2: Meiosis model
The meiosis model contains 9 models. The 1st and 2nd models show there are homologous chromosomes changing, which is the 1st division of meiosis. The 3rd model shows chromosomes pairing but cannot tell sister chromatid, which is meiosis joint period. In the 4th model, 4 chromatids can be seen in the paired chromosomes, which is four division period of meiosis. In 5th model, centromeres are located near two sides of metaphase plate which means tetrad are on the metaphase plate, which is middle period of meiosis I. In 6th model, centromeres move to the two poles from the metaphase plate, which is anterior period of meiosis I. In 7th model, centromeres which are not on the metaphase plate begin to be lined on the plate, which is pre-period and mid-period of meiosis II. In the 8th model, the new two nucleus are not formed yet, which is anterior period of meiosis. In the 9th model, the two nucleus have been formed which is the end period of meiosis.
Through our explanation, we hope it helpful for students to learn mitosis and meiosis well. Any questions, you can contact us through the bellowing ways:
Article submitted by
Zhu Baojun ( Colin ) from
Yuan Technology Limited
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