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cell cycle meiosis ws, Assignments of Biology

cell cycle's meiosis from BIO211

Typology: Assignments

2020/2021

Uploaded on 03/06/2023

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Biology 211 Name _______________________________
Meiosis ICA
1. You are studying a diploid organism, where n=42. Complete the table below for
this organism.
Mitosis Meiosis I Meiosis II
Total number of
chromosomes per
cell at the
beginning of the
stage
Total number of
DNA molecules per
cell at the
beginning of the
stage
Ploidy at the
beginning
2n, diploid
Total number of
chromosomes per
cell at the end of
the stage
Total number of
DNA molecules per
cell at the end of
the stage
Ploidy at the end 2n, diploid
2. Compare and contrast mitosis, meiosis I, and meiosis II by indicating which of the
following events occur during each process?
Mitosis Meiosis I Meiosis II
Cell division?
Chromosome
reduction?
Genetic variation
produced?
Crossing over?
Random
distribution of
maternal and
paternal
chromosomes?
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Biology 211 Name _______________________________ Meiosis ICA

  1. You are studying a diploid organism, where n=42. Complete the table below for this organism. Mitosis Meiosis I Meiosis II Total number of chromosomes per cell at the beginning of the stage Total number of DNA molecules per cell at the beginning of the stage Ploidy at the beginning 2n, diploid Total number of chromosomes per cell at the end of the stage Total number of DNA molecules per cell at the end of the stage Ploidy at the end 2n, diploid
  2. Compare and contrast mitosis, meiosis I, and meiosis II by indicating which of the following events occur during each process?

Mitosis Meiosis I Meiosis II

Cell division? Chromosome reduction? Genetic variation produced? Crossing over? Random distribution of maternal and paternal chromosomes?

What lines up at metaphase? What separates at anaphase?

3. Draw a diploid cell where n = 3 in each of the following stages of

meiosis. Use two different colors for the chromosomes (one for the maternal

set and one for the paternal set)

Then, include a brief description of what is happening in each of the phases.

Prophase I Prophase II

Metaphase I Metaphase II

Anaphase I Anaphase II

Telophase I Telophase II

Cytokinesis Final cytokinesis