From a piece of blank paper, cut out three sets of four cigar-shaped structures (a total of 12 structures). These will represent chromatids. Be sure each member of a set of four chromatids has the same length and girth. In set one, label two chromatids 'A' and two chromatids 'a.' Cut each of these chromatids about halfway across near their midpoint and slide the two 'A' chromatids together at the cuts to form a single set of attached sister chromatids. Do the same for the 'a' chromatids. In the second set of four chromatids, label two 'B' and two 'b.' Cut and slide these together as you did for the first set, joining the 'B' chromatids together and the 'b' chromatids together. Repeat this process for the third set of chromatids, labeling them as 'D' and 'd.' You now have models for three pairs of homologous chromosomes, for a total of six chromosomes. Separate the chromosomes as though meiotic anaphase I and telophase I have taken place.

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Hey, everyone. Let's take a look at this question together. Anna phase one is the third stage of meiosis during which the homologous chromosomes which have lined up at the equatorial plate are pulled apart. Identified. The statement from below which shows similarity between anna phase one of meiosis and anna phase of mitosis. Is it answer choice. A the daughter cells have the same number of chromosomes as the parent cell. Answer choice B spindle fibers attached to the kinetic cores of sister chromatid and pull them towards opposite poles. Answer choice c both types of cell division rely on the spindle fibers which attach to the kinetic cores of the chromosomes or answer choice D both generates genetic diversity through recombination and independent assortment of chromosomes. Let's work this problem out together to try to figure out which of the following statements shows similarity between N A phase one of meiosis and N A phase of mitosis. So when talking about N A phase one of meiosis, we know that the homologous chromosomes line up at the center and are pulled apart. And we also know that the bindle fibers form and attach to the chromosome and on the other hand, during anaphase of mitosis, we know that the chromosomes split into those sister roids and the spindle fibers are what pull them to the opposite poles of the cell. And so this is what occurs during anaphase, one of meiosis and anaphase of mitosis. So looking at our answer choices, we want to identify which statement shows the similarity between anna phase, one of meiosis and anna phase of mitosis. And something that we know is important for both anaphase. One of meiosis and anaphase of mitosis is that both stages of anaphase utilize spindle fibers. For example, in anaphase one, the spindle fibers form and attach to the chromosome. Whereas in anaphase of mitosis, the spindle fibers are what pull the cytochrome tis to the opposite poles of the cell. And so both types of cell division rely on the spindle fibers, which means that answer choice C both types of cell division rely on the spindle fibers which attach to the kinetic cores of the chromosomes is the correct answer. Because we know that during N A phase, one of meiosis, the spindle fibers are what form and attach to the chromosome as well as in an a phase of mitosis, the spindle fibers pull the cysto chromatid to the opposite poles of the cell. And so answer choice C is the statement that best shows the similarity between anna phase one of meiosis and anna phase of mitosis. Making answer choice C the correct answer. I hope you found this video to be helpful. Thank you and goodbye.

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Key Concepts

Chromatids

Homologous Chromosomes

Meiosis