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Multiple Choice
In which process do homologous chromosomes pair up?
A
Meiosis II
B
Binary fission
C
Mitosis
D
Meiosis I
Verified step by step guidance
1
Understand the context: Homologous chromosomes are pairs of chromosomes that have the same structure and carry the same genes, although they may have different alleles.
Identify the processes: Meiosis I, Meiosis II, Binary fission, and Mitosis are all processes of cell division, but they have different roles and characteristics.
Focus on Meiosis: Meiosis is a type of cell division that reduces the chromosome number by half, creating four haploid cells. It consists of two stages: Meiosis I and Meiosis II.
Examine Meiosis I: During Meiosis I, homologous chromosomes pair up in a process called synapsis. This is a key feature of Meiosis I and is crucial for genetic recombination.
Compare with other processes: In Mitosis and Binary fission, homologous chromosomes do not pair up. Mitosis results in two identical daughter cells, and binary fission is a form of asexual reproduction in prokaryotes.