2014-10-29 the cell cycle.pdf
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8/10/2019 2014-10-29 The Cell Cycle.pdf
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Single, continuous strand of DNA and associated proteinsBacteria = 1 circular chromosomeEukaryotes = multiple, linear chromosomes
# of sets of chromosomes an organism carries
1 set of chromosomes = 1 copy each (in human, only eggs and sperm)
2 sets of chromosomes = 2 copies each
Banana = triploidWatermelon = tetraploidFrog = tetraploid and decaploid
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After M phase, prior to S phase (G1):2n chromosomes = 46
After S phase, prior to G1 (G2 & M):2n chromosomes = 464n chromatids
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