QQuestionAnatomy and Physiology
QuestionAnatomy and Physiology
Describe the main difference between metaphase I and metaphase II.
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Answer
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Step 1I'll solve this problem by breaking down the key differences between metaphase I and metaphase II in meiosis.
Step 2: Understanding Metaphase I
In metaphase I, homologous chromosomes pair up and align at the cell's equator. This is a unique stage where: - Homologous chromosome pairs (tetrads) line up side by side - Chromosomes are still in their duplicated state - Crossing over has already occurred during prophase I
Final Answer
The primary difference between metaphase I and metaphase II is the alignment of chromosomes - metaphase I involves paired homologous chromosomes, while metaphase II involves individual chromosomes aligned independently.
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