Meiosis Phases

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10 Terms

1
<p>interphase</p>

interphase

replication of DNA during the S phase. Each cell has 46 chromosomes and 92 sister chromatids

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2
<p>prophase I </p>

prophase I

chromosomes form and homologs synapse. crossing over occurs. spindle formation is complete. nucleolus and nuclear membrane disappear.

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3
<p>metaphase I</p>

metaphase I

tetrads line up on the metaphase plate. independent assortment occurs.

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4
<p>anaphase I</p>

anaphase I

homologous chromosomes separate and move towards opposite poles.

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5
<p>telophase I</p>

telophase I

chromosomes uncoil into chromatin. nucleolus and nuclear membrane reappear. spindle breaks down. cytokinesis begins

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6

interkinesis

no dna replication occurs. division of cytoplasm and organelles does occur.

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7
<p>prophase II</p>

prophase II

chromatin coils to chromosomes. spindle forms. nucleolus and nuclear membrane disappear.

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8
<p>metaphase II</p>

metaphase II

chromosomes are located on the metaphase plate. because of crossing over the chromosomes are not identical

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9
<p>anaphase II</p>

anaphase II

sister chromatids separate and move to opposite poles.

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10
<p>telophase II and cytokinesis</p>

telophase II and cytokinesis

chromosomes uncoil. nucleolus and nuclear membrane reform. spindle breaks down cytokinesis occurs resulting in 4 haploid cells.

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