Meiosis
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Process of making gametes (sex cells)
These cells are haploid
Produces four genetically different daughter cells
IPMATPMAT (Mitosis twice)
Mitosis
Meiosis
How to Remember
“T” for two
“Toe” for body cells
“Me” for how you
were made
Type of cells
Body cells
Somatic cells
Diploid cells
Sex Cells
Gamete Cells
Haploid Cells
Number of
Chromosomes
46
23
Product
Examples of cell
2 genetically identical 4 genetically different
cells
cells
Skin, lung, heart
Crossing over:
• Process that occurs in Prophase 1.
• Chromosomes get tangled up
• When they separate they exchange genetic information
• This increases genetic variability
Sperm cells, egg cells