You are studying a cell that, before the S phase of the cell cycle, has 8 chromo
ID: 35320 • Letter: Y
Question
You are studying a cell that, before the S phase of the cell cycle, has 8 chromosomes and 2.4 picograms (2.4 X 1012 grams) of DNA. Complete the following table with the expected number of chromosomes, chromatids, homologous pairs and the amount of DNA in each area or pole of the spindle at each of the stages indicated.
Chromosomes
Chromatids
Homologous pairs
DNA amount
Prophase (Mitosis)
Anaphase (Mitosis)
Prophase I (Meiosis)
Anaphase 1 (Meiosis)
Anaphase II (Meiosis)
Chromosomes
Chromatids
Homologous pairs
DNA amount
Prophase (Mitosis)
Anaphase (Mitosis)
Prophase I (Meiosis)
Anaphase 1 (Meiosis)
Anaphase II (Meiosis)
Explanation / Answer
Chromosomes Chromatids Homologus pairs DNA amount Prophase Mitosis 8 16 8 2.4 picograms Anaphase Mitosis 16 16 8 2 x 2.4 picograms Prophase 1 Meiosis 8 16 8 2 x 2.4 picograms Anaphase 1 Meiosis 8 16 8 1x 2.4 picograms Anaphase II Meiosis 4 8 2 2.4/2 picograms
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