To solve the problem, we need to identify each phase of meiosis in the provided images. Meiosis is a specialized type of cell division that reduces the chromosome number by half, resulting in the production of gametes (sperm and egg cells). The phases of meiosis are:
1.
Prophase I
2.
Metaphase I
3.
Anaphase I
4.
Telophase I
5.
Cytokinesis I
6.
Prophase II
7.
Metaphase II
8.
Anaphase II
9.
Telophase II
10.
Cytokinesis II
Let's analyze each image and label it with the correct phase:
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Image 1
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Description: Two cells with homologous chromosomes paired up (synapsis).
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Phase: Prophase I
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Image 2
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Description: A single cell with chromosomes aligned at the metaphase plate.
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Phase: Metaphase I
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Image 3
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Description: Two cells with chromosomes moving apart, indicating separation of homologous chromosomes.
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Phase: Anaphase I
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Image 4
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Description: Two cells with separated chromosomes, showing cytokinesis occurring.
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Phase: Telophase I and Cytokinesis I
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Image 5
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Description: Chromosomes condensing and becoming visible, typical of early prophase.
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Phase: Prophase II
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Image 6
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Description: Chromosomes aligning at the metaphase plate in a single cell.
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Phase: Metaphase II
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Image 7
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Description: Sister chromatids separating and moving toward opposite poles.
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Phase: Anaphase II
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Image 8
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Description: Homologous chromosomes pairing up and forming tetrads.
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Phase: Prophase I (specifically, the synapse stage)
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Image 9
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Description: Four haploid cells formed after the completion of meiosis.
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Phase: Telophase II and Cytokinesis II
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Image 10
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Description: Two cells with chromosomes aligned at the metaphase plate.
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Phase: Metaphase I
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Image 11
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Description: Chromosomes condensing and becoming visible, typical of early prophase.
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Phase: Prophase II
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Correct Order of Phases
Now, let's arrange the phases in the correct order of meiosis:
1.
Prophase I (Image 1)
2.
Metaphase I (Image 2)
3.
Anaphase I (Image 3)
4.
Telophase I and Cytokinesis I (Image 4)
5.
Prophase II (Image 5 or Image 11)
6.
Metaphase II (Image 6)
7.
Anaphase II (Image 7)
8.
Telophase II and Cytokinesis II (Image 9)
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Final Answer
The phases labeled for each image are as follows:
1.
Prophase I
2.
Metaphase I
3.
Anaphase I
4.
Telophase I and Cytokinesis I
5.
Prophase II
6.
Metaphase II
7.
Anaphase II
8.
Prophase I (Synapse stage)
9.
Telophase II and Cytokinesis II
10.
Metaphase I
11.
Prophase II
The correct order of phases is:
1 → 2 → 3 → 4 → 5/11 → 6 → 7 → 9
$$
\boxed{1, 2, 3, 4, 5, 6, 7, 9}
$$
Parent Tip: Review the logic above to help your child master the concept of meiosis worksheet pdf.