Cellular Reproduction. Chromosomes. Contain genetic information – DNA DNA is arranged in segments called genes Determine characteristics, or traits Humans have 46 chromosomes in their cells – 23 from each parent. Chromosomes.
Centromere: at the center of the chromosome where the sister chromatids attach
Sister chromatids: Each half of the X, contains identical copies of DNA
3 Main Stages:
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The cancer cell cycle is much faster than the normal cell cycle:
Chicken stomach cells
Interphase: 16 minutes
Prophase: 15 minutes
Metaphase: 2 minutes
Anaphase: 1 minute
Telophase: 3 minutes
The changes that occur in the regulation of cell growth and division of cancer cells are due to mutations.