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Chapter 09 Meiosis - • Each zygote is DIPLOID or contains...

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Meiosis
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Mitosis Vs. Meiosis Mitosis gives two cells: Diploid These two cells contain 46 chromosomes Meiosis gives four cells: Haploid These four contain 23 chromosomes Meiosis creates Sex (germ) cells, eggs and sperm Mitosis creates Body (somatic) cell
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Meiosis- Division of Sex Cells Meiosis is mitosis done twice FERTILIZATION is when Gametes (egg and sperm) fuse to produce a single cell called a Zygote The end products of Meiosis are 4 gametes which are HAPLOID or contain 23 chromosomes each
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Unformatted text preview: • Each zygote is DIPLOID or contains 46 chromosomes Genetic Shuffle • Genes are shuffled to create variety in the gene “pool”. • Variety makes the species stronger, less disease • Meiosis only has genetic crossover • Each potential lineup gives different gene combinations in the final gamete called genetic recombination • Four cells are produced in oogenisis which is creation of the oocyte or egg yet ____ egg is distribute to the uterius...
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