Meiosis and Mitosis

Meiosis and Mitosis

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  • Meiosis and Mitosis are both connected with reproduction and creating the offspring. One event in America that created many offsprings Asexually and Sexually was the Baby Boom in 1946 to 1964.
  • The baby boom created the many genetically diverse people. We are two students that will talk to you about Mitosis and Meiosis.
  • By- Vyshnavi Namani
  • Mitosis
  • Mitosis has 3 main in the cell cycle- G1- growth, S- synthesis, G2- growth. Mitosis is the process of cell division by exact copies of chromosomes are divided to create 2 diploid daughter cells each with identical chromosomes. Involves one division, all organisms expect viruses, Uses the process(PMAT), no gentic varitaion, and ends with cytokinesis
  • Mitosis II
  • Prophase- the 1st phase of mitosis in which chromatin in the cell coils into chromosome that can be seen. Metaphase- chromosome line up on the equator and attach to spindles. Anaphase- centromere split apart. Telophase- chromatids reach opposite ends, results in 2 diploid daughter cells. Advantages- body cells are the same. Disadvantage- no variation.
  • Meiosis
  • Involves 2 divisions, results in 4 haploid cells with each different chromosome type and chromosome number is halved from the parent cell, occurs in humans, animals, and fungi, the PMAT process is doubled its the same process but happens two times.
  • Meiosis II
  • Advantages- variety for the offspring. Disadvantage- has to find a mate to reproduce. Results with daugther cell with 23 chromosome. In metaphase II individual chromosomes (pairs of chromatids) line up along the equator. During anaphase II the sister chromatids are separated to opposite poles. During anaphase II the sister chromatids are separated to opposite poles.
  • Thank you for learning about Meiosis and Mitosis with us.
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