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Mitosis is how normal cells divide.

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Presentation on theme: "Mitosis is how normal cells divide."— Presentation transcript:

1 Mitosis is how normal cells divide.
Mitosis & Meiosis Mitosis is how normal cells divide. Your skin cells start with 46 chromosomes then after division (mitosis) both new cells have 46 chromosomes. These are called diploid cells.

2 Mitosis Start with and end with same # of chromosomes

3 Meiosis only occurs in sex cells (egg, sperm)
Meiosis only occurs in sex cells (egg, sperm). After cell division the new cells have ½ the chromosomes…in a human that’s 23. These are called Haploid cells.

4 Meiosis Ends with ½ the # of chromosomes you started with
So in grasshoppers you start with 24 chromosomes and end with 12, and in humans you start with 46 and end with ?


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