What is the state of the DNA at the end of meiosis I? What about at the end of meiosis II?

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trophyhunter1 | College Teacher | (Level 1) Educator Emeritus

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DNA is replicated before Meiosis, a reduction division occurs. Once that happens, the DNA is found in chromosomes are that in pairs which are called sister chromatids. After the first round of meiosis occurs, at the end of meiosis I, a division occurs. This results in two diploid cells that contain the same amount of DNA as the original parent cell. These cells  go through a second round of cell division during meiosis II. At the end of meiosis II, four haploid cells are the result. The chromatid pairs divide and assort into four cells. Now, they are considered chromosomes again. The second division reduces the chromosome number to half that of the original parent cell.