Scelta multipla
How do the cells produced by meiosis differ from those produced by mitosis?
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12. Meiosis
Introduction to Meiosis
Scelta multipla
At what stage during meiosis do homologous chromosomes pair up?
A
Prophase I
B
Metaphase I
C
Telophase I
D
Anaphase I
Guida verificata passo dopo passo1
Understand the process of meiosis, which is a type of cell division that reduces the chromosome number by half, resulting in the production of gametes or spores.
Recall that meiosis consists of two consecutive divisions: meiosis I and meiosis II. Each division has several stages: prophase, metaphase, anaphase, and telophase.
Focus on meiosis I, where homologous chromosomes pair up. This pairing is crucial for genetic recombination and occurs during a specific stage.
Identify the stage where homologous chromosomes pair up. This occurs during prophase I, where synapsis happens, allowing homologous chromosomes to align closely together.
Recognize that during prophase I, the synaptonemal complex forms, facilitating the pairing of homologous chromosomes, which is essential for crossing over and genetic diversity.
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