Reaction Paper On Meiosis

724 Words3 Pages
Serena Harris Paper on meiosis
2/27/18

Introduction: Meiosis is cell division in a sperm or egg, that moves one part of the chromosome found in the parent cell. The main motive of meiosis is generating off springs through sexual reproduction. The process of meiosis occurs in all living things. And, just like mitosis, meiosis also has multiphase procedures.
Ploidy: Meiosis has two divisions meiosis I and meiosis II. These two divisions are divided into 4 phases: Prophase I, Metaphase I, Telophase I, and Anaphase I in Meiosis I. In Meiosis II the phases are: Prophase II, Metaphase II, Telophase II, and Anaphase II. There is also Interphase in Meiosis. In the next paragraph you well learn what goes on in each phase.
Phases of Meiosis:
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The genetics are identical and crossing over does not take place in mitosis. The definition of mitosis is a process of asexual reproduction in which the cell divides in 2 producing replica, with an equal number of chromosomes in each resulting diploid cell. Mitosis function is cellular reproduction and general growth and repair of the body. Mitosis has
Steps: Prophase, Metaphase, Anaphase, and Telophase. Karyokinesis occurs in Interphase and Cytokinesis occurs in telophase. The centromeres split during anaphase. Creates everything except sex cells.
Meiosis is a sexual type of reproduction it occurs in all living things. The genetics of meiosis is different and crossing over does take place. The definition of Meiosis is a type of cellular reproduction in which the number of chromosomes is reduced by half through the separation of homologous chromosomes, producing four haploid cells. Steps: (Meiosis 1) Prophase I, Metaphase I, Anaphase I, Telophase I; (Meiosis 2) Prophase II, Metaphase II, Anaphase II and Telophase II. Karyokinesis occurs in Interphase I and Cytokinesis occurs in Telophase I and Telophase II. The centromeres do no separate during anaphase I like mitosis, but during anaphase II. Meiosis creates sex cells only: female egg cells or male sperm cells. Meiosis was Discovered by Oscar

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