Cell Division

DNA ,[object Object],[object Object],[object Object],[object Object]

Cell Division ,[object Object],[object Object]

Mitosis ,[object Object],[object Object],6 chromosomes 6 chromosomes 6 chromosomes

Interphase ,[object Object],[object Object],[object Object],[object Object],

Metaphase Chromosomes Middle (equator) of cell

Anaphase ,[object Object],[object Object]

Telophase ,[object Object],[object Object]

Telophase New nuclei Chromosomes unwinding

End Results of Mitosis 4 chromosomes at start Chromosomes double into 2 strands (8) 4 chromosomes in each new cell at end

What kinds of cells do Mitosis? ,[object Object],[object Object]

Cancer: Uncontrolled Division ,[object Object],[object Object]

What is the Purpose of Reproduction? ,[object Object],[object Object],[object Object],[object Object]

Asexual Reproduction ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Sexual Cell Division: Meiosis

Chromosome Number ,[object Object],[object Object],[object Object]

Diploid ,[object Object],[object Object],[object Object]

Haploid ,[object Object],[object Object],[object Object]

Meiosis ,[object Object],[object Object],[object Object],[object Object],[object Object]

Meiosis Overview 4 Chromosomes 2 Chromosomes in each cell

Meiosis in Males ,[object Object],2n n n n n

Meiosis in Females ,[object Object],2n n n n n

Meiosis = Genetic Variation ,[object Object],[object Object],[object Object]

Mitosis Vs. Meiosis ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Meiosis I ,[object Object],[object Object]

[object Object],[object Object],[object Object],Homologous chromosomes Homologous chromosomes Meiosis I

[object Object],[object Object],[object Object]

Meiosis II (like Mitosis) ,[object Object],[object Object]

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