Multiple Choice
How many nuclear divisions occur in meiosis?
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12. Meiosis
Introduction to Meiosis
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Crossing over normally takes place during which of the following processes?
A
Prophase I of meiosis
B
Metaphase II of meiosis
C
Anaphase I of meiosis
D
Telophase II of meiosis
Verified step by step guidance1
Understand that crossing over is a process where homologous chromosomes exchange genetic material, increasing genetic diversity.
Recall that meiosis is a type of cell division that reduces the chromosome number by half, resulting in four genetically diverse haploid cells.
Identify the stages of meiosis: Prophase I, Metaphase I, Anaphase I, Telophase I, Prophase II, Metaphase II, Anaphase II, and Telophase II.
Recognize that crossing over occurs during Prophase I of meiosis, when homologous chromosomes pair up and exchange segments.
Conclude that the correct answer is Prophase I of meiosis, as this is the stage where crossing over takes place.
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